diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/functions.py | 2 | ||||
| -rw-r--r-- | lib/harness.py | 208 | ||||
| -rw-r--r-- | lib/lennart/DataInterface.py | 24 | ||||
| -rw-r--r-- | lib/lennart/DataProcessor.py | 415 | ||||
| -rw-r--r-- | lib/lennart/EnergyInterface.py | 122 | ||||
| -rw-r--r-- | lib/lennart/SigrokAPIInterface.py | 150 | ||||
| -rw-r--r-- | lib/lennart/SigrokCLIInterface.py | 89 | ||||
| -rw-r--r-- | lib/lennart/SigrokInterface.py | 123 | ||||
| -rw-r--r-- | lib/lennart/__init__.py | 0 | ||||
| -rw-r--r-- | lib/loader.py | 277 | ||||
| -rw-r--r-- | lib/parameters.py | 7 | ||||
| -rwxr-xr-x | lib/plotter.py | 6 | ||||
| -rwxr-xr-x | lib/protocol_benchmarks.py | 30 | ||||
| -rw-r--r-- | lib/runner.py | 47 | ||||
| -rw-r--r-- | lib/sly/docparse.py | 4 | ||||
| -rw-r--r-- | lib/utils.py | 13 |
16 files changed, 1420 insertions, 97 deletions
diff --git a/lib/functions.py b/lib/functions.py index 94b1aaf..9d799c7 100644 --- a/lib/functions.py +++ b/lib/functions.py @@ -394,7 +394,7 @@ class analytic: :param safe_functions_enabled: Include "safe" variants of functions with limited argument range, e.g. a safe inverse which returns 1 when dividing by 0. - + Returns a dict of functions which are typical for energy/timing behaviour of embedded hardware, e.g. linear, exponential or inverse dependency on a configuration setting/runtime variable. diff --git a/lib/harness.py b/lib/harness.py index ae9c28c..d1440db 100644 --- a/lib/harness.py +++ b/lib/harness.py @@ -33,6 +33,7 @@ class TransitionHarness: log_return_values=False, repeat=0, post_transition_delay_us=0, + energytrace_sync=None, ): """ Create a new TransitionHarness @@ -53,6 +54,7 @@ class TransitionHarness: self.log_return_values = log_return_values self.repeat = repeat self.post_transition_delay_us = post_transition_delay_us + self.energytrace_sync = energytrace_sync self.reset() def copy(self): @@ -63,6 +65,7 @@ class TransitionHarness: log_return_values=self.log_return_values, repeat=self.repeat, post_transition_delay_us=self.post_transition_delay_us, + energytrace_sync=self.energytrace_sync, ) new_object.traces = self.traces.copy() new_object.trace_id = self.trace_id @@ -138,9 +141,7 @@ class TransitionHarness: def start_trace(self): """Prepare a new trace/run in the internal `.traces` structure.""" - self.traces.append( - {"id": self.trace_id, "trace": list(),} - ) + self.traces.append({"id": self.trace_id, "trace": list()}) self.trace_id += 1 def append_state(self, state_name, param): @@ -151,7 +152,7 @@ class TransitionHarness: :param param: parameter dict """ self.traces[-1]["trace"].append( - {"name": state_name, "isa": "state", "parameter": param,} + {"name": state_name, "isa": "state", "parameter": param} ) def append_transition(self, transition_name, param, args=[]): @@ -175,21 +176,16 @@ class TransitionHarness: """Return C++ code used to start a new run/trace.""" return "ptalog.reset();\n" - def _pass_transition_call(self, transition_id): - if self.gpio_mode == "bar": - barcode_bits = Code128("T{}".format(transition_id), charset="B").modules - if len(barcode_bits) % 8 != 0: - barcode_bits.extend([1] * (8 - (len(barcode_bits) % 8))) - barcode_bytes = [ - 255 - int("".join(map(str, reversed(barcode_bits[i : i + 8]))), 2) - for i in range(0, len(barcode_bits), 8) - ] - inline_array = "".join(map(lambda s: "\\x{:02x}".format(s), barcode_bytes)) - return 'ptalog.startTransition("{}", {});\n'.format( - inline_array, len(barcode_bytes) - ) - else: - return "ptalog.startTransition();\n" + def _get_barcode(self, transition_id): + barcode_bits = Code128("T{}".format(transition_id), charset="B").modules + if len(barcode_bits) % 8 != 0: + barcode_bits.extend([1] * (8 - (len(barcode_bits) % 8))) + barcode_bytes = [ + 255 - int("".join(map(str, reversed(barcode_bits[i : i + 8]))), 2) + for i in range(0, len(barcode_bits), 8) + ] + inline_array = "".join(map(lambda s: "\\x{:02x}".format(s), barcode_bytes)) + return inline_array, len(barcode_bytes) def pass_transition( self, transition_id, transition_code, transition: object = None @@ -201,7 +197,12 @@ class TransitionHarness: `post_transition_delay_us` is set. """ ret = "ptalog.passTransition({:d});\n".format(transition_id) - ret += self._pass_transition_call(transition_id) + if self.gpio_mode == "bar": + ret += """ptalog.startTransition("{}", {});\n""".format( + *self._get_barcode(transition_id) + ) + else: + ret += "ptalog.startTransition();\n" if ( self.log_return_values and transition @@ -263,17 +264,17 @@ class TransitionHarness: transition_name = None if self.pta: transition_name = self.pta.transitions[transition_id].name - print( - "[HARNESS] benchmark id={:d} trace={:d}: transition #{:d} (ID {:d}, name {}) is out of bounds".format( + self.abort = True + raise RuntimeError( + "Benchmark id={:d} trace={:d}: transition #{:d} (ID {:d}, name {}) is out of bounds. Offending line: {}".format( 0, self.trace_id, self.current_transition_in_trace, transition_id, transition_name, + line, ) ) - print(" Offending line: {}".format(line)) - return if log_data_target["isa"] != "transition": self.abort = True raise RuntimeError( @@ -286,8 +287,8 @@ class TransitionHarness: if transition.name != log_data_target["name"]: self.abort = True raise RuntimeError( - "Log mismatch: Expected transition {:s}, got transition {:s} -- may have been caused by preceding malformed UART output".format( - log_data_target["name"], transition.name + "Log mismatch: Expected transition {:s}, got transition {:s}\nMay have been caused by preceding malformed UART output\nOffending line: {:s}".format( + log_data_target["name"], transition.name, line ) ) if self.log_return_values and len(transition.return_value_handlers): @@ -354,10 +355,14 @@ class OnboardTimerHarness(TransitionHarness): the dict `offline_aggregates` with the member `duration`. It contains a list of durations (in us) of the corresponding state/transition for each benchmark iteration. I.e. `.traces[*]['trace'][*]['offline_aggregates']['duration'] = [..., ...]` + :param remove_nop_from_timings: If true, remove the nop duration from reported timings + (i.e., reported timings reflect the estimated transition/state duration with the timer call overhea dremoved). + If false, do not remove nop durations, so the timings more accurately reflect the elapsed wall-clock time during the benchmark. """ - def __init__(self, counter_limits, **kwargs): + def __init__(self, counter_limits, remove_nop_from_timings=True, **kwargs): super().__init__(**kwargs) + self.remove_nop_from_timings = remove_nop_from_timings self.trace_length = 0 ( self.one_cycle_in_us, @@ -368,16 +373,27 @@ class OnboardTimerHarness(TransitionHarness): def copy(self): new_harness = __class__( (self.one_cycle_in_us, self.one_overflow_in_us, self.counter_max_overflow), + remove_nop_from_timings=self.remove_nop_from_timings, gpio_pin=self.gpio_pin, gpio_mode=self.gpio_mode, pta=self.pta, log_return_values=self.log_return_values, repeat=self.repeat, + energytrace_sync=self.energytrace_sync, ) new_harness.traces = self.traces.copy() new_harness.trace_id = self.trace_id return new_harness + def reset(self): + super().reset() + self.trace_length = 0 + + def set_trace_start_offset(self, start_offset): + if not "start_offset" in self.traces[0]: + self.traces[0]["start_offset"] = list() + self.traces[0]["start_offset"].append(start_offset) + def undo(self, undo_from): """ Undo all benchmark runs starting with index `undo_from`. @@ -396,26 +412,63 @@ class OnboardTimerHarness(TransitionHarness): ] = state_or_transition["offline_aggregates"]["duration"][ :undo_from ] + if "start_offset" in trace: + trace["start_offset"] = trace["start_offset"][:undo_from] def global_code(self): - ret = '#include "driver/counter.h"\n' - ret += "#define PTALOG_TIMING\n" + ret = "#define PTALOG_TIMING\n" ret += super().global_code() + if self.energytrace_sync == "led": + # TODO Make nicer + ret += """\nvoid runLASync(){ + // ======================= LED SYNC ================================ + gpio.write(PTALOG_GPIO, 1); + gpio.led_on(0); + gpio.led_on(1); + gpio.write(PTALOG_GPIO, 0); + + for (unsigned char i = 0; i < 4; i++) { + arch.sleep_ms(250); + } + + gpio.write(PTALOG_GPIO, 1); + gpio.led_off(0); + gpio.led_off(1); + gpio.write(PTALOG_GPIO, 0); + // ======================= LED SYNC ================================ +}\n\n""" return ret def start_benchmark(self, benchmark_id=0): - ret = "counter.start();\n" - ret += "counter.stop();\n" - ret += "ptalog.passNop(counter);\n" + ret = "" + if self.energytrace_sync == "led": + ret += "runLASync();\n" + ret += "ptalog.passNop();\n" + if self.energytrace_sync == "led": + ret += "arch.sleep_ms(250);\n" ret += super().start_benchmark(benchmark_id) return ret + def stop_benchmark(self): + ret = "" + if self.energytrace_sync == "led": + ret += "counter.stop();\n" + ret += "runLASync();\n" + ret += super().stop_benchmark() + if self.energytrace_sync == "led": + ret += "arch.sleep_ms(250);\n" + return ret + def pass_transition( self, transition_id, transition_code, transition: object = None ): ret = "ptalog.passTransition({:d});\n".format(transition_id) - ret += self._pass_transition_call(transition_id) - ret += "counter.start();\n" + if self.gpio_mode == "bar": + ret += """ptalog.startTransition("{}", {});\n""".format( + *self._get_barcode(transition_id) + ) + else: + ret += "ptalog.startTransition();\n" if ( self.log_return_values and transition @@ -424,14 +477,13 @@ class OnboardTimerHarness(TransitionHarness): ret += "transition_return_value = {}\n".format(transition_code) else: ret += "{}\n".format(transition_code) - ret += "counter.stop();\n" if ( self.log_return_values and transition and len(transition.return_value_handlers) ): ret += "ptalog.logReturn(transition_return_value);\n" - ret += "ptalog.stopTransition(counter);\n" + ret += "ptalog.stopTransition();\n" return ret def _append_nondeterministic_parameter_value( @@ -453,11 +505,27 @@ class OnboardTimerHarness(TransitionHarness): res.group(1), res.group(2) ) ) - if re.match(r"\[PTA\] benchmark stop", line): + match = re.match(r"\[PTA\] benchmark stop, cycles=(\S+)/(\S+)", line) + if match: self.repetitions += 1 self.synced = False if self.repeat > 0 and self.repetitions == self.repeat: self.done = True + prev_state_cycles = int(match.group(1)) + prev_state_overflow = int(match.group(2)) + prev_state_duration_us = ( + prev_state_cycles * self.one_cycle_in_us + + prev_state_overflow * self.one_overflow_in_us + ) + if self.remove_nop_from_timings: + prev_state_duration_us -= self.nop_cycles * self.one_cycle_in_us + final_state = self.traces[self.trace_id]["trace"][-1] + if "offline_aggregates" not in final_state: + final_state["offline_aggregates"] = {"duration": list()} + final_state["offline_aggregates"]["duration"].append( + prev_state_duration_us + ) + print("[HARNESS] done") return # May be repeated, e.g. if the device is reset shortly after start by @@ -473,14 +541,20 @@ class OnboardTimerHarness(TransitionHarness): self.current_transition_in_trace = 0 if self.log_return_values: res = re.match( - r"\[PTA\] transition=(\S+) cycles=(\S+)/(\S+) return=(\S+)", line + r"\[PTA\] transition=(\S+) prevcycles=(\S+)/(\S+) cycles=(\S+)/(\S+) return=(\S+)", + line, ) else: - res = re.match(r"\[PTA\] transition=(\S+) cycles=(\S+)/(\S+)", line) + res = re.match( + r"\[PTA\] transition=(\S+) prevcycles=(\S+)/(\S+) cycles=(\S+)/(\S+)", + line, + ) if res: transition_id = int(res.group(1)) - cycles = int(res.group(2)) - overflow = int(res.group(3)) + prev_state_cycles = int(res.group(2)) + prev_state_overflow = int(res.group(3)) + cycles = int(res.group(4)) + overflow = int(res.group(5)) if overflow >= self.counter_max_overflow: self.abort = True raise RuntimeError( @@ -493,11 +567,28 @@ class OnboardTimerHarness(TransitionHarness): transition_id, ) ) + if prev_state_overflow >= self.counter_max_overflow: + self.abort = True + raise RuntimeError( + "Counter overflow ({:d}/{:d}) in benchmark id={:d} trace={:d}: state before transition #{:d} (ID {:d})".format( + prev_state_cycles, + prev_state_overflow, + 0, + self.trace_id, + self.current_transition_in_trace, + transition_id, + ) + ) duration_us = ( - cycles * self.one_cycle_in_us - + overflow * self.one_overflow_in_us - - self.nop_cycles * self.one_cycle_in_us + cycles * self.one_cycle_in_us + overflow * self.one_overflow_in_us + ) + prev_state_duration_us = ( + prev_state_cycles * self.one_cycle_in_us + + prev_state_overflow * self.one_overflow_in_us ) + if self.remove_nop_from_timings: + duration_us -= self.nop_cycles * self.one_cycle_in_us + prev_state_duration_us -= self.nop_cycles * self.one_cycle_in_us if duration_us < 0: duration_us = 0 # self.traces contains transitions and states, UART output only contains transitions -> use index * 2 @@ -505,6 +596,16 @@ class OnboardTimerHarness(TransitionHarness): log_data_target = self.traces[self.trace_id]["trace"][ self.current_transition_in_trace * 2 ] + if self.current_transition_in_trace > 0: + prev_state_data = self.traces[self.trace_id]["trace"][ + self.current_transition_in_trace * 2 - 1 + ] + elif self.current_transition_in_trace == 0 and self.trace_id > 0: + prev_state_data = self.traces[self.trace_id - 1]["trace"][-1] + else: + if self.current_transition_in_trace == 0 and self.trace_id == 0: + self.set_trace_start_offset(prev_state_duration_us) + prev_state_data = None except IndexError: transition_name = None if self.pta: @@ -531,12 +632,23 @@ class OnboardTimerHarness(TransitionHarness): log_data_target["isa"], ) ) + if prev_state_data and prev_state_data["isa"] != "state": + self.abort = True + raise RuntimeError( + "Log mismatch in benchmark id={:d} trace={:d}: state before transition #{:d} (ID {:d}): Expected state, got {:s}".format( + 0, + self.trace_id, + self.current_transition_in_trace, + transition_id, + prev_state_data["isa"], + ) + ) if self.pta: transition = self.pta.transitions[transition_id] if transition.name != log_data_target["name"]: self.abort = True raise RuntimeError( - "Log mismatch in benchmark id={:d} trace={:d}: transition #{:d} (ID {:d}): Expected transition {:s}, got transition {:s} -- may have been caused by preceding maformed UART output".format( + "Log mismatch in benchmark id={:d} trace={:d}: transition #{:d} (ID {:d}): Expected transition {:s}, got transition {:s}\nMay have been caused by preceding maformed UART output\nOffending line: {:s}".format( 0, self.trace_id, self.current_transition_in_trace, @@ -601,4 +713,10 @@ class OnboardTimerHarness(TransitionHarness): if "offline_aggregates" not in log_data_target: log_data_target["offline_aggregates"] = {"duration": list()} log_data_target["offline_aggregates"]["duration"].append(duration_us) + if prev_state_data is not None: + if "offline_aggregates" not in prev_state_data: + prev_state_data["offline_aggregates"] = {"duration": list()} + prev_state_data["offline_aggregates"]["duration"].append( + prev_state_duration_us + ) self.current_transition_in_trace += 1 diff --git a/lib/lennart/DataInterface.py b/lib/lennart/DataInterface.py new file mode 100644 index 0000000..4495db2 --- /dev/null +++ b/lib/lennart/DataInterface.py @@ -0,0 +1,24 @@ +class DataInterface: + def runMeasure(self): + """ + Implemented in subclasses. + + Starts the measurement + """ + raise NotImplementedError("The method not implemented") + + def getData(self): + """ + Implemented in subclasses + + :returns: gathered data + """ + raise NotImplementedError("The method not implemented") + + def forceStopMeasure(self): + """ + Implemented in subclasses + + Force stops the measurement + """ + raise NotImplementedError("The method not implemented") diff --git a/lib/lennart/DataProcessor.py b/lib/lennart/DataProcessor.py new file mode 100644 index 0000000..b46315a --- /dev/null +++ b/lib/lennart/DataProcessor.py @@ -0,0 +1,415 @@ +import numpy as np +import logging + +logger = logging.getLogger(__name__) + + +class DataProcessor: + def __init__(self, sync_data, energy_data): + """ + Creates DataProcessor object. + + :param sync_data: input timestamps (SigrokResult) + :param energy_data: List of EnergyTrace datapoints + """ + self.reduced_timestamps = [] + self.modified_timestamps = [] + self.plot_data_x = [] + self.plot_data_y = [] + self.sync_data = sync_data + self.energy_data = energy_data + self.start_offset = 0 + + self.power_sync_watt = 0.011 + self.power_sync_len = 0.7 + self.power_sync_max_outliers = 2 + + def run(self): + """ + Main Function to remove unwanted data, get synchronization points, add the offset and add drift. + :return: None + """ + # remove Dirty Data from previously running program (happens if logic Analyzer Measurement starts earlier than + # the HW Reset from energytrace) + use_data_after_index = 0 + for x in range(1, len(self.sync_data.timestamps)): + if self.sync_data.timestamps[x] - self.sync_data.timestamps[x - 1] > 1.3: + use_data_after_index = x + break + + time_stamp_data = self.sync_data.timestamps[use_data_after_index:] + + last_data = [0, 0, 0, 0] + + # clean timestamp data, if at the end strange ts got added somehow + # time_stamp_data = self.removeTooFarDatasets(time_stamp_data) + + self.reduced_timestamps = time_stamp_data + + # NEW + datasync_timestamps = [] + sync_start = 0 + outliers = 0 + pre_outliers_ts = None + # TODO only consider the first few and the last few seconds for sync points + for i, energytrace_dataset in enumerate(self.energy_data): + usedtime = energytrace_dataset[0] - last_data[0] # in microseconds + timestamp = energytrace_dataset[0] + usedenergy = energytrace_dataset[3] - last_data[3] + power = usedenergy / usedtime * 1e-3 # in watts + if power > 0: + if power > self.power_sync_watt: + if sync_start is None: + sync_start = timestamp + outliers = 0 + else: + # Sync point over or outliers + if outliers == 0: + pre_outliers_ts = timestamp + outliers += 1 + if outliers > self.power_sync_max_outliers: + if sync_start is not None: + if ( + pre_outliers_ts - sync_start + ) / 1_000_000 > self.power_sync_len: + datasync_timestamps.append( + ( + sync_start / 1_000_000, + pre_outliers_ts / 1_000_000, + ) + ) + sync_start = None + + last_data = energytrace_dataset + + self.plot_data_x.append(timestamp / 1_000_000) + self.plot_data_y.append(power) + + if power > self.power_sync_watt: + if (self.energy_data[-1][0] - sync_start) / 1_000_000 > self.power_sync_len: + datasync_timestamps.append( + (sync_start / 1_000_000, pre_outliers_ts / 1_000_000) + ) + + # print(datasync_timestamps) + + # time_stamp_data contains an entry for each level change on the Logic Analyzer input. + # So, time_stamp_data[0] is the first low-to-high transition, time_stamp_data[2] the second, etc. + # -> time_stamp_data[2] is the low-to-high transition indicating the end of the first sync pulse + # -> time_stamp_data[-8] is the low-to-high transition indicating the start of the first after-measurement sync pulse + + start_timestamp = datasync_timestamps[0][1] + start_offset = start_timestamp - time_stamp_data[2] + + end_timestamp = datasync_timestamps[-2][0] + end_offset = end_timestamp - (time_stamp_data[-8] + start_offset) + logger.debug( + f"Measurement area: ET timestamp range [{start_timestamp}, {end_timestamp}]" + ) + logger.debug( + f"Measurement area: LA timestamp range [{time_stamp_data[2]}, {time_stamp_data[-8]}]" + ) + logger.debug(f"Start/End offsets: {start_offset} / {end_offset}") + + if end_offset > 10: + logger.warning( + f"synchronization end_offset == {end_offset}. It should be no more than a few seconds." + ) + + with_offset = np.array(time_stamp_data) + start_offset + logger.debug( + f"Measurement area with offset: LA timestamp range [{with_offset[2]}, {with_offset[-8]}]" + ) + + with_drift = self.addDrift( + with_offset, end_timestamp, end_offset, start_timestamp + ) + logger.debug( + f"Measurement area with drift: LA timestamp range [{with_drift[2]}, {with_drift[-8]}]" + ) + + self.modified_timestamps = with_drift + + def removeTooFarDatasets(self, input_timestamps): + """ + Removing datasets, that are to far away at ethe end + + :param input_timestamps: List of timestamps (float list) + :return: List of modified timestamps (float list) + """ + modified_timestamps = [] + for i, x in enumerate(input_timestamps): + # print(x - input_timestamps[i - 1], x - input_timestamps[i - 1] < 2.5) + if x - input_timestamps[i - 1] < 1.6: + modified_timestamps.append(x) + else: + break + return modified_timestamps + + def addDrift(self, input_timestamps, end_timestamp, end_offset, start_timestamp): + """ + Add drift to datapoints + + :param input_timestamps: List of timestamps (float list) + :param end_timestamp: Timestamp of first EnergyTrace datapoint at the second-to-last sync point + :param end_offset: the time between end_timestamp and the timestamp of synchronisation signal + :param start_timestamp: Timestamp of last EnergyTrace datapoint at the first sync point + :return: List of modified timestamps (float list) + """ + endFactor = 1 + (end_offset / ((end_timestamp - end_offset) - start_timestamp)) + # print( + # f"({end_timestamp} + {end_offset} - {start_timestamp}) / ({end_timestamp} - {start_timestamp}) == {endFactor}" + # ) + # Manuelles endFactor += 0.0001 macht es merklich besser + # print(f"endFactor = {endFactor}") + # endFactor assumes that the end of the first sync pulse is at timestamp 0. + # Then, timestamps with drift := timestamps * endFactor. + # As this is not the case (the first sync pulse ends at start_timestamp > 0), we shift the data by first + # removing start_timestamp, then multiplying with endFactor, and then re-adding the start_timestamp. + modified_timestamps_with_drift = ( + input_timestamps - start_timestamp + ) * endFactor + start_timestamp + return modified_timestamps_with_drift + + def export_sync(self): + # [1st trans start, 1st trans stop, 2nd trans start, 2nd trans stop, ...] + sync_timestamps = list() + + for i in range(4, len(self.modified_timestamps) - 8, 2): + sync_timestamps.append( + (self.modified_timestamps[i], self.modified_timestamps[i + 1]) + ) + + # EnergyTrace timestamps + timestamps = self.plot_data_x + + # EnergyTrace power values + power = self.plot_data_y + + return {"sync": sync_timestamps, "timestamps": timestamps, "power": power} + + def plot(self, annotateData=None): + """ + Plots the power usage and the timestamps by logic analyzer + + :param annotateData: List of Strings with labels, only needed if annotated plots are wished + :return: None + """ + + def calculateRectangleCurve(timestamps, min_value=0, max_value=0.160): + import numpy as np + + data = [] + for ts in timestamps: + data.append(ts) + data.append(ts) + + a = np.empty((len(data),)) + a[0::4] = min_value + a[1::4] = max_value + a[2::4] = max_value + a[3::4] = min_value + return data, a # plotting by columns + + import matplotlib.pyplot as plt + + fig, ax = plt.subplots() + + if annotateData: + annot = ax.annotate( + "", + xy=(0, 0), + xytext=(20, 20), + textcoords="offset points", + bbox=dict(boxstyle="round", fc="w"), + arrowprops=dict(arrowstyle="->"), + ) + annot.set_visible(True) + + rectCurve_with_drift = calculateRectangleCurve( + self.modified_timestamps, max_value=max(self.plot_data_y) + ) + + plt.plot(self.plot_data_x, self.plot_data_y, label="Leistung") + + plt.plot( + rectCurve_with_drift[0], + rectCurve_with_drift[1], + "-g", + label="Synchronisationsignale mit Driftfaktor", + ) + + plt.xlabel("Zeit von EnergyTrace [s]") + plt.ylabel("Leistung [W]") + leg = plt.legend() + + def getDataText(x): + # print(x) + dl = len(annotateData) + for i, xt in enumerate(self.modified_timestamps): + if xt > x and i >= 4 and i - 5 < dl: + return f"SoT: {annotateData[i - 5]}" + + def update_annot(x, y, name): + annot.xy = (x, y) + text = name + + annot.set_text(text) + annot.get_bbox_patch().set_alpha(0.4) + + def hover(event): + if event.xdata and event.ydata: + annot.set_visible(False) + update_annot(event.xdata, event.ydata, getDataText(event.xdata)) + annot.set_visible(True) + fig.canvas.draw_idle() + + if annotateData: + fig.canvas.mpl_connect("motion_notify_event", hover) + + plt.show() + + def getPowerBetween(self, start, end, state_sleep): # 0.001469 + """ + calculates the powerusage in interval + NOT SIDE EFFECT FREE, DON'T USE IT EVERYWHERE + + :param start: Start timestamp of interval + :param end: End timestamp of interval + :param state_sleep: Length in seconds of one state, needed for cutting out the UART Sending cycle + :return: power measurements in W + """ + first_index = 0 + all_power = list() + all_ts = list() + for ind in range(self.start_offset, len(self.plot_data_x)): + first_index = ind + if self.plot_data_x[ind] > start: + break + + nextIndAfterIndex = None + for ind in range(first_index, len(self.plot_data_x)): + nextIndAfterIndex = ind + if ( + self.plot_data_x[ind] > end + or self.plot_data_x[ind] > start + state_sleep + ): + self.start_offset = ind - 1 + break + all_power.append(self.plot_data_y[ind]) + all_ts.append(self.plot_data_x[ind]) + + # TODO Idea remove datapoints that are too far away + def removeSD_Mean_Values(arr): + import numpy + + elements = numpy.array(arr) + + mean = numpy.mean(elements, axis=0) + sd = numpy.std(elements, axis=0) + + return [x for x in arr if (mean - 1 * sd < x < mean + 1.5 * sd)] + + if len(all_power) > 10: + # all_power = removeSD_Mean_Values(all_power) + pass + # TODO algorithm relocate datapoint + + pre_fix_len = len(all_power) + if len(all_power) == 0: + # print("PROBLEM") + all_power.append(self.plot_data_y[nextIndAfterIndex]) + all_ts.append(0) + elif len(all_power) == 1: + # print("OKAY") + pass + return np.array(all_power), np.array(all_ts) + + def getStatesdfatool(self, state_sleep, with_traces=False, algorithm=False): + """ + Calculates the length and energy usage of the states + + :param state_sleep: Length in seconds of one state, needed for cutting out the UART Sending cycle + :param algorithm: possible usage of accuracy algorithm / not implemented yet + :returns: returns list of states and transitions, starting with a transition and ending with astate + Each element is a dict containing: + * `isa`: 'state' or 'transition' + * `W_mean`: Mittelwert der Leistungsaufnahme + * `W_std`: Standardabweichung der Leistungsaufnahme + * `s`: Dauer + """ + if algorithm: + raise NotImplementedError + end_transition_ts = None + timestamps_sync_start = 0 + energy_trace_new = list() + + for ts_index in range( + 0 + timestamps_sync_start, int(len(self.modified_timestamps) / 2) + ): + start_transition_ts = self.modified_timestamps[ts_index * 2] + start_transition_ts_timing = self.reduced_timestamps[ts_index * 2] + + if end_transition_ts is not None: + power, timestamps = self.getPowerBetween( + end_transition_ts, start_transition_ts, state_sleep + ) + + # print("STATE", end_transition_ts * 10 ** 6, start_transition_ts * 10 ** 6, (start_transition_ts - end_transition_ts) * 10 ** 6, power) + if ( + (start_transition_ts - end_transition_ts) * 10 ** 6 > 900_000 + and np.mean(power) > self.power_sync_watt * 0.9 + and ts_index > 10 + ): + # remove last transition and stop (upcoming data only sync) + del energy_trace_new[-1] + break + pass + + state = { + "isa": "state", + "W_mean": np.mean(power), + "W_std": np.std(power), + "s": ( + start_transition_ts_timing - end_transition_ts_timing + ), # * 10 ** 6, + } + if with_traces: + state["plot"] = (timestamps - timestamps[0], power) + energy_trace_new.append(state) + + energy_trace_new[-2]["W_mean_delta_next"] = ( + energy_trace_new[-2]["W_mean"] - energy_trace_new[-1]["W_mean"] + ) + + # get energy end_transition_ts + end_transition_ts = self.modified_timestamps[ts_index * 2 + 1] + power, timestamps = self.getPowerBetween( + start_transition_ts, end_transition_ts, state_sleep + ) + + # print("TRANS", start_transition_ts * 10 ** 6, end_transition_ts * 10 ** 6, (end_transition_ts - start_transition_ts) * 10 ** 6, power) + end_transition_ts_timing = self.reduced_timestamps[ts_index * 2 + 1] + + transition = { + "isa": "transition", + "W_mean": np.mean(power), + "W_std": np.std(power), + "s": ( + end_transition_ts_timing - start_transition_ts_timing + ), # * 10 ** 6, + "count_dp": len(power), + } + if with_traces: + transition["plot"] = (timestamps - timestamps[0], power) + + if (end_transition_ts - start_transition_ts) * 10 ** 6 > 2_000_000: + # TODO Last data set corrupted? HOT FIX!!!!!!!!!!!! REMOVE LATER + # for x in range(4): + # del energy_trace_new[-1] + # break + pass + + energy_trace_new.append(transition) + # print(start_transition_ts, "-", end_transition_ts, "-", end_transition_ts - start_transition_ts) + return energy_trace_new diff --git a/lib/lennart/EnergyInterface.py b/lib/lennart/EnergyInterface.py new file mode 100644 index 0000000..19aae84 --- /dev/null +++ b/lib/lennart/EnergyInterface.py @@ -0,0 +1,122 @@ +import re +import subprocess + +from dfatool.lennart.DataInterface import DataInterface +import logging + +logger = logging.getLogger(__name__) + + +class EnergyInterface(DataInterface): + def __init__( + self, + duration_seconds=10, + console_output=False, + temp_file="temp/energytrace.log", + fake=False, + ): + """ + class is not used in embedded into dfatool. + + :param duration_seconds: seconds the EnergyTrace should be running + :param console_output: if EnergyTrace output should be printed to the user + :param temp_file: file path for temporary file + :param fake: if already existing file should be used + """ + self.energytrace = None + self.duration_seconds = duration_seconds + self.console_output = console_output + self.temp_file = temp_file + self.fake = fake + + def runMeasure(self): + """ + starts the measurement, with waiting for done + """ + if self.fake: + return + self.runMeasureAsynchronously() + self.waitForAsynchronousMeasure() + + def runMeasureAsynchronously(self): + """ + starts the measurement, not waiting for done + """ + if self.fake: + return + self.energytrace = subprocess.Popen( + "msp430-etv --save %s %s %s" + % ( + self.temp_file, + self.duration_seconds, + "" if self.console_output else "> /dev/null", + ), + shell=True, + ) + print( + "msp430-etv --save %s %s %s" + % ( + self.temp_file, + self.duration_seconds, + "" if self.console_output else "> /dev/null", + ) + ) + + def waitForAsynchronousMeasure(self): + """ + Wait until is command call is done + """ + if self.fake: + return + self.energytrace.wait() + + def getData(self): + """ + cleans the string data and creates int list + :return: list of data, in format [[int,int,int,int], [int,int,int,int], ... ] + """ + energytrace_log = open(self.temp_file) + lines = energytrace_log.readlines()[21:] + data = [] + for line in lines: + if "MSP430_DisableEnergyTrace" in line: + break + else: + data.append([int(i) for i in line.split()]) + return data + + @classmethod + def getDataFromString(cls, string, delimiter="\\n"): + """ + Parsing the data from string + + :param string: input string which will be parsed + :param delimiter: for normal file its \n + :return: list of data, in format [[int,int,int,int], [int,int,int,int], ... ] + """ + lines = string.split(delimiter)[21:] + data = [] + for line in lines: + if "MSP430_DisableEnergyTrace" in line: + break + else: + data.append([int(i) for i in line.split()]) + return data + + def setFile(self, path): + """ + changeing the temporary file + + :param path: file path of new temp file + :return: None + """ + self.temp_file = path + pass + + def forceStopMeasure(self): + """ + force stops the Measurement, with signals + :return: None + """ + self.energytrace.send_signal(subprocess.signal.SIGINT) + stdout, stderr = self.energytrace.communicate(timeout=15) diff --git a/lib/lennart/SigrokAPIInterface.py b/lib/lennart/SigrokAPIInterface.py new file mode 100644 index 0000000..44da678 --- /dev/null +++ b/lib/lennart/SigrokAPIInterface.py @@ -0,0 +1,150 @@ +import time + +from dfatool.lennart.SigrokInterface import SigrokInterface + +import sigrok.core as sr +from sigrok.core.classes import * + +from util.ByteHelper import ByteHelper +import logging + +logger = logging.getLogger(__name__) + + +class SigrokAPIInterface(SigrokInterface): + def datafeed_changes(self, device, packet): + """ + Callback type with changes analysis + :param device: device object + :param packet: data (String with binary data) + """ + data = ByteHelper.rawbytes(self.output.receive(packet)) + if data: + # only using every second byte, + # because only every second contains the useful information. + for x in data[1::2]: + self.analyzeData(x) + + def datafeed_in_all(self, device, packet): + """ + Callback type which writes all data into the array + :param device: device object + :param packet: data (String with binary data) + """ + data = ByteHelper.rawbytes(self.output.receive(packet)) + if data: + # only using every second byte, + # because only every second contains the useful information. + self.all_data += data[1::2] + + def datafeed_file(self, device, packet): + """ + Callback type which writes all data into a file + :param device: device object + :param packet: data (String with binary data) + """ + data = ByteHelper.rawbytes(self.output.receive(packet)) + if data: + # only using every second byte, + # because only every second contains the useful information. + for x in data[1::2]: + self.file.write(str(x) + "\n") + + def __init__( + self, + driver="fx2lafw", + sample_rate=100_000, + debug_output=False, + used_datafeed=datafeed_changes, + fake=False, + ): + """ + + :param driver: Driver that should be used + :param sample_rate: The sample rate of the Logic analyzer + :param debug_output: Should be true if output should be displayed to user + :param used_datafeed: one of the datafeeds above, user later as callback. + :param fake: + """ + super(SigrokAPIInterface, self).__init__(sample_rate) + if fake: + raise NotImplementedError("Not implemented!") + self.used_datafeed = used_datafeed + + self.debug_output = debug_output + self.session = None + + def forceStopMeasure(self): + """ + Force stopping the measurement + :return: None + """ + self.session.stop() + + def runMeasure(self): + """ + Start the Measurement and set all settings + """ + context = sr.Context_create() + + devs = context.drivers[self.driver].scan() + # print(devs) + if len(devs) == 0: + raise RuntimeError("No device with that driver found!") + sigrokDevice = devs[0] + if len(devs) > 1: + raise Warning( + "Attention! Multiple devices with that driver found! Using ", + sigrokDevice.connection_id(), + ) + + sigrokDevice.open() + sigrokDevice.config_set(ConfigKey.SAMPLERATE, self.sample_rate) + + enabled_channels = ["D1"] + for channel in sigrokDevice.channels: + channel.enabled = channel.name in enabled_channels + + self.session = context.create_session() + self.session.add_device(sigrokDevice) + self.session.start() + + self.output = context.output_formats["binary"].create_output(sigrokDevice) + + print(context.output_formats) + self.all_data = b"" + + def datafeed(device, packet): + self.used_datafeed(self, device, packet) + + self.session.add_datafeed_callback(datafeed) + time_running = time.time() + self.session.run() + total_time = time.time() - time_running + print( + "Used time: ", + total_time * 1_000_000, + "µs", + ) + self.session.stop() + + if self.debug_output: + # if self.used_datafeed == self.datafeed_in_change: + if True: + changes = [x / self.sample_rate for x in self.changes] + print(changes) + is_on = self.start == 0xFF + print("0", " - ", changes[0], " # Pin ", "HIGH" if is_on else "LOW") + for x in range(len(changes) - 1): + is_on = not is_on + print( + changes[x], + " - ", + changes[x + 1], + " / ", + changes[x + 1] - changes[x], + " # Pin ", + "HIGH" if is_on else "LOW", + ) + elif self.used_datafeed == self.datafeed_in_all: + print(self.all_data) diff --git a/lib/lennart/SigrokCLIInterface.py b/lib/lennart/SigrokCLIInterface.py new file mode 100644 index 0000000..b28a8a9 --- /dev/null +++ b/lib/lennart/SigrokCLIInterface.py @@ -0,0 +1,89 @@ +import subprocess +import time + +from dfatool.lennart.SigrokInterface import SigrokInterface +import logging + +logger = logging.getLogger(__name__) + + +class SigrokCLIInterface(SigrokInterface): + def __init__( + self, + bin_temp_file="temp/out.bin", + sample_rate=100_000, + fake=False, + ): + """ + creates SigrokCLIInterface object. Uses the CLI Interface (Command: sigrok-cli) + + :param bin_temp_file: temporary file for binary output + :param sample_rate: The sample rate of the Logic analyzer + :param fake: if it should use existing data + """ + super(SigrokCLIInterface, self).__init__(sample_rate) + self.fake = fake + self.bin_temp_file = bin_temp_file + self.sigrok_cli_thread = None + + def forceStopMeasure(self): + """ + Force stopping measure, sometimes needs pkill for killing definitly + :return: None + """ + self.sigrok_cli_thread.terminate() + + try: + self.sigrok_cli_thread.wait(timeout=10) + except subprocess.TimeoutExpired: + logger.warning("sigrok-cli has not stopped. Killing it.") + self.sigrok_cli_thread.kill() + + self.sigrok_cli_thread.communicate() + self.runOpenAnalyze() + + def runMeasure(self): + """ + starts the measurement, with waiting for done + """ + if not self.fake: + self.runMeasureAsynchronous() + self.waitForAsynchronousMeasure() + + def runMeasureAsynchronous(self): + """ + starts the measurement, not waiting for done + """ + shellcommand = [ + "sigrok-cli", + "--output-file", + self.bin_temp_file, + "--output-format", + "binary", + "--continuous", + "-d", + self.driver, + "--config", + f"samplerate={self.sample_rate} Hz", + ] + self.sigrok_cli_thread = subprocess.Popen(shellcommand) + + def waitForAsynchronousMeasure(self): + """ + Wait until is command call is done + """ + if not self.fake: + self.sigrok_cli_thread.wait() + self.runOpenAnalyze() + + def runOpenAnalyze(self): + """ + Opens the generated binary file and parses it byte by byte + + """ + in_file = open(self.bin_temp_file, "rb") # opening for [r]eading as [b]inary + data = in_file.read() # if you only wanted to read 512 bytes, do .read(512) + in_file.close() + + for x in data: + self.analyzeData(x) diff --git a/lib/lennart/SigrokInterface.py b/lib/lennart/SigrokInterface.py new file mode 100644 index 0000000..32e8fe2 --- /dev/null +++ b/lib/lennart/SigrokInterface.py @@ -0,0 +1,123 @@ +import json +import numpy as np + +from dfatool.lennart.DataInterface import DataInterface +import logging + +logger = logging.getLogger(__name__) + + +# Adding additional parsing functionality +class SigrokResult: + def __init__(self, timestamps, onbeforefirstchange): + """ + Creates SigrokResult object, struct for timestamps and onBeforeFirstChange. + + :param timestamps: list of changing timestamps + :param onbeforefirstchange: if the state before the first change is already on / should always be off, just to be data correct + """ + self.timestamps = timestamps + self.onBeforeFirstChange = onbeforefirstchange + + def __str__(self): + """ + :return: string representation of object + """ + return "<Sigrok Result onBeforeFirstChange=%s timestamps=%s>" % ( + self.onBeforeFirstChange, + self.timestamps, + ) + + def getDict(self): + """ + :return: dict representation of object + """ + data = { + "onBeforeFirstChange": self.onBeforeFirstChange, + "timestamps": self.timestamps, + } + return data + + @classmethod + def fromFile(cls, path): + """ + Generates SigrokResult from json_file + + :param path: file path + :return: SigrokResult object + """ + with open(path) as json_file: + data = json.load(json_file) + return SigrokResult(data["timestamps"], data["onBeforeFirstChange"]) + pass + + @classmethod + def fromString(cls, string): + """ + Generates SigrokResult from string + + :param string: string + :return: SigrokResult object + """ + data = json.loads(string) + return SigrokResult(data["timestamps"], data["onBeforeFirstChange"]) + pass + + +class SigrokInterface(DataInterface): + def __init__(self, sample_rate, driver="fx2lafw", filename="temp/sigrok.log"): + """ + + :param sample_rate: Samplerate of the Logic Analyzer + :param driver: for many Logic Analyzer from Saleae the "fx2lafw" should be working + :param filename: temporary file name + """ + # options + self.sample_rate = sample_rate + self.file = open(filename, "w+") + self.driver = driver + + # internal data + self.changes = [] + self.start = None + self.last_val = None + self.index = 0 + + def runMeasure(self): + """ + Not implemented because implemented in subclasses + :return: None + """ + raise NotImplementedError("The method not implemented") + + def forceStopMeasure(self): + """ + Not implemented because implemented in subclasses + :return: None + """ + raise NotImplementedError("The method not implemented") + + def getData(self): + """ + + :return: + """ + # return sigrok_energy_api_result(self.changes, True if self.start == 0xff else False) + return SigrokResult( + [x / self.sample_rate for x in self.changes], + True if self.start == 0xFF else False, + ) + + def analyzeData(self, byte): + """ + analyze one byte if it differs from the last byte, it will be appended to changes. + + :param byte: one byte to analyze + """ + if self.start is None: + self.start = byte + self.last_val = byte + if byte != self.last_val: + self.changes.append(self.index) + self.last_val = byte + self.index += 1 diff --git a/lib/lennart/__init__.py b/lib/lennart/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/lib/lennart/__init__.py diff --git a/lib/loader.py b/lib/loader.py index 0c3bac7..b9a2930 100644 --- a/lib/loader.py +++ b/lib/loader.py @@ -11,7 +11,8 @@ import struct import tarfile import hashlib from multiprocessing import Pool -from .utils import running_mean, soft_cast_int + +from .utils import NpEncoder, running_mean, soft_cast_int logger = logging.getLogger(__name__) @@ -107,7 +108,14 @@ def _preprocess_mimosa(measurement): def _preprocess_etlog(measurement): setup = measurement["setup"] - etlog = EnergyTraceLog( + + energytrace_class = EnergyTraceWithBarcode + if measurement["sync_mode"] == "la": + energytrace_class = EnergyTraceWithLogicAnalyzer + elif measurement["sync_mode"] == "timer": + energytrace_class = EnergyTraceWithTimer + + etlog = energytrace_class( float(setup["voltage"]), int(setup["state_duration"]), measurement["transition_names"], @@ -406,7 +414,7 @@ class RawData: processed_data["error"] = "; ".join(processed_data["datasource_errors"]) return False - # Note that the low-level parser (EnergyTraceLog) already checks + # Note that the low-level parser (EnergyTraceWithBarcode) already checks # whether the transition count is correct return True @@ -570,7 +578,7 @@ class RawData: # TODO es gibt next_transitions ohne 'plan' return True - def _merge_online_and_offline(self, measurement): + def _merge_online_and_mimosa(self, measurement): # Edits self.traces_by_fileno[measurement['fileno']][*]['trace'][*]['offline'] # and self.traces_by_fileno[measurement['fileno']][*]['trace'][*]['offline_aggregates'] in place # (appends data from measurement['energy_trace']) @@ -692,7 +700,18 @@ class RawData: online_datapoints.append((run_idx, trace_part_idx)) for offline_idx, online_ref in enumerate(online_datapoints): online_run_idx, online_trace_part_idx = online_ref - offline_trace_part = measurement["energy_trace"][offline_idx] + try: + offline_trace_part = measurement["energy_trace"][offline_idx] + except IndexError: + logger.error( + f"While handling file #{measurement['fileno']} {measurement['info']}:" + ) + logger.error(f" offline energy_trace data is shorted than online data") + logger.error(f" len(online_datapoints) == {len(online_datapoints)}") + logger.error( + f" len(energy_trace) == {len(measurement['energy_trace'])}" + ) + raise online_trace_part = traces[online_run_idx]["trace"][online_trace_part_idx] if "offline" not in online_trace_part: @@ -901,6 +920,12 @@ class RawData: } ) for repeat_id, mim_file in enumerate(ptalog["files"][j]): + # MIMOSA benchmarks always use a single .mim file per benchmark run. + # However, depending on the dfatool version used to run the + # benchmark, ptalog["files"][j] is either "foo.mim" (before Oct 2020) + # or ["foo.mim"] (from Oct 2020 onwards). + if type(mim_file) is list: + mim_file = mim_file[0] member = tf.getmember(mim_file) offline_data.append( { @@ -920,6 +945,10 @@ class RawData: new_filenames = list() with tarfile.open(filename) as tf: ptalog = self.ptalog + if "sync" in ptalog["opt"]["energytrace"]: + sync_mode = ptalog["opt"]["energytrace"]["sync"] + else: + sync_mode = "bar" # Benchmark code may be too large to be executed in a single # run, so benchmarks (a benchmark is basically a list of DFA runs) @@ -974,16 +1003,19 @@ class RawData: "state_duration": ptalog["opt"]["sleep"], } ) - for repeat_id, etlog_file in enumerate(ptalog["files"][j]): - member = tf.getmember(etlog_file) + for repeat_id, etlog_files in enumerate(ptalog["files"][j]): + members = list(map(tf.getmember, etlog_files)) offline_data.append( { - "content": tf.extractfile(member).read(), + "content": list( + map(lambda f: tf.extractfile(f).read(), members) + ), + "sync_mode": sync_mode, "fileno": j, - "info": member, + "info": members[0], "setup": self.setup_by_fileno[j], "repeat_id": repeat_id, - "expected_trace": ptalog["traces"][j], + "expected_trace": traces, "with_traces": self.with_traces, "transition_names": list( map( @@ -1029,7 +1061,7 @@ class RawData: if version == 0 or version == 1: if self._measurement_is_valid_01(measurement): - self._merge_online_and_offline(measurement) + self._merge_online_and_mimosa(measurement) num_valid += 1 else: logger.warning( @@ -1105,7 +1137,7 @@ def _add_trace_data_to_aggregate(aggregate, key, element): def pta_trace_to_aggregate(traces, ignore_trace_indexes=[]): - u""" + """ Convert preprocessed DFA traces from peripherals/drivers to by_name aggregate for PTAModel. arguments: @@ -1176,7 +1208,7 @@ def pta_trace_to_aggregate(traces, ignore_trace_indexes=[]): return by_name, parameter_names, arg_count -class EnergyTraceLog: +class EnergyTraceWithBarcode: """ EnergyTrace log loader for DFA traces. @@ -1199,7 +1231,7 @@ class EnergyTraceLog: with_traces=False, ): """ - Create a new EnergyTraceLog object. + Create a new EnergyTraceWithBarcode object. :param voltage: supply voltage [V], usually 3.3 V :param state_duration: state duration [ms] @@ -1241,7 +1273,7 @@ class EnergyTraceLog: ) return list() - lines = log_data.decode("ascii").split("\n") + lines = log_data[0].decode("ascii").split("\n") data_count = sum(map(lambda x: len(x) > 0 and x[0] != "#", lines)) data_lines = filter(lambda x: len(x) > 0 and x[0] != "#", lines) @@ -1311,7 +1343,7 @@ class EnergyTraceLog: return self._ts_to_index(timestamp, mid_index, right_index) def analyze_states(self, traces, offline_index: int): - u""" + """ Split log data into states and transitions and return duration, energy, and mean power for each element. :param traces: expected traces, needed to synchronize with the measurement. @@ -1420,7 +1452,13 @@ class EnergyTraceLog: } if self.with_traces: - transition["uW"] = transition_power_W * 1e6 + timestamps = ( + self.interval_start_timestamp[ + transition_start_index:transition_done_index + ] + - self.interval_start_timestamp[transition_start_index] + ) + transition["plot"] = (timestamps, transition_power_W) energy_trace.append(transition) @@ -1440,7 +1478,11 @@ class EnergyTraceLog: } if self.with_traces: - state["uW"] = state_power_W * 1e6 + timestamps = ( + self.interval_start_timestamp[state_start_index:state_done_index] + - self.interval_start_timestamp[state_start_index] + ) + state["plot"] = (timestamps, state_power_W) energy_trace.append(state) @@ -1614,6 +1656,184 @@ class EnergyTraceLog: return None, None, None, None +class EnergyTraceWithLogicAnalyzer: + def __init__( + self, + voltage: float, + state_duration: int, + transition_names: list, + with_traces=False, + ): + + """ + Create a new EnergyTraceWithLogicAnalyzer object. + + :param voltage: supply voltage [V], usually 3.3 V + :param state_duration: state duration [ms] + :param transition_names: list of transition names in PTA transition order. + Needed to map barcode synchronization numbers to transitions. + """ + self.voltage = voltage + self.state_duration = state_duration * 1e-3 + self.transition_names = transition_names + self.with_traces = with_traces + self.errors = list() + + def load_data(self, log_data): + from dfatool.lennart.SigrokInterface import SigrokResult + from dfatool.lennart.EnergyInterface import EnergyInterface + + # Daten laden + self.sync_data = SigrokResult.fromString(log_data[0]) + self.energy_data = EnergyInterface.getDataFromString(str(log_data[1])) + + def analyze_states(self, traces, offline_index: int): + """ + Split log data into states and transitions and return duration, energy, and mean power for each element. + + :param traces: expected traces, needed to synchronize with the measurement. + traces is a list of runs, traces[*]['trace'] is a single run + (i.e. a list of states and transitions, starting with a transition + and ending with a state). + :param offline_index: This function uses traces[*]['trace'][*]['online_aggregates']['duration'][offline_index] to find sync codes + + :param charges: raw charges (each element describes the charge in pJ transferred during 10 µs) + :param trigidx: "charges" indexes corresponding to a trigger edge, see `trigger_edges` + :param ua_func: charge(pJ) -> current(µA) function as returned by `calibration_function` + + :returns: returns list of states and transitions, starting with a transition and ending with astate + Each element is a dict containing: + * `isa`: 'state' or 'transition' + * `W_mean`: Mittelwert der Leistungsaufnahme + * `W_std`: Standardabweichung der Leistungsaufnahme + * `s`: Dauer + if isa == 'transition, it also contains: + * `W_mean_delta_prev`: Differenz zwischen W_mean und W_mean des vorherigen Zustands + * `W_mean_delta_next`: Differenz zwischen W_mean und W_mean des Folgezustands + """ + + names = [] + for trace_number, trace in enumerate(traces): + for state_or_transition in trace["trace"]: + names.append(state_or_transition["name"]) + # print(names[:15]) + from dfatool.lennart.DataProcessor import DataProcessor + + dp = DataProcessor(sync_data=self.sync_data, energy_data=self.energy_data) + dp.run() + energy_trace_new = dp.getStatesdfatool( + state_sleep=self.state_duration, with_traces=self.with_traces + ) + # Uncomment to plot traces + if offline_index == 0 and os.getenv("DFATOOL_PLOT_LASYNC") is not None: + dp.plot() # <- plot traces with sync annotatons + # dp.plot(names) # <- plot annotated traces (with state/transition names) + pass + if os.getenv("DFATOOL_EXPORT_LASYNC") is not None: + filename = os.getenv("DFATOOL_EXPORT_LASYNC") + f"_{offline_index}.json" + with open(filename, "w") as f: + json.dump(dp.export_sync(), f, cls=NpEncoder) + logger.info("Exported data and LA sync timestamps to {filename}") + energy_trace_new = energy_trace_new[4:] + + energy_trace = list() + expected_transitions = list() + + # Print for debug purposes + # for number, name in enumerate(names): + # if "P15_8MW" in name: + # print(name, energy_trace_new[number]["W_mean"]) + + # add next/prev state W_mean_delta + for number, item in enumerate(energy_trace_new): + if item["isa"] == "transition" and 0 < number < len(energy_trace_new) - 1: + item["W_mean_delta_prev"] = energy_trace_new[number - 1] + item["W_mean_delta_next"] = energy_trace_new[number + 1] + + # st = "" + # for i, x in enumerate(energy_trace_new[-10:]): + # #st += "(%s|%s|%s)" % (energy_trace[i-10]["name"],x['W_mean'],x['s']) + # st += "(%s|%s|%s)\n" % (energy_trace[i-10]["s"], x['s'], x['W_mean']) + + # print(st, "\n_______________________") + # print(len(self.sync_data.timestamps), " - ", len(energy_trace_new), " - ", len(energy_trace), " - ", ",".join([str(x["s"]) for x in energy_trace_new[-6:]]), " - ", ",".join([str(x["s"]) for x in energy_trace[-6:]])) + # if len(energy_trace_new) < len(energy_trace): + # return None + + return energy_trace_new + + +class EnergyTraceWithTimer(EnergyTraceWithLogicAnalyzer): + def __init__( + self, + voltage: float, + state_duration: int, + transition_names: list, + with_traces=False, + ): + + """ + Create a new EnergyTraceWithLogicAnalyzer object. + + :param voltage: supply voltage [V], usually 3.3 V + :param state_duration: state duration [ms] + :param transition_names: list of transition names in PTA transition order. + Needed to map barcode synchronization numbers to transitions. + """ + + self.voltage = voltage + self.state_duration = state_duration * 1e-3 + self.transition_names = transition_names + self.with_traces = with_traces + self.errors = list() + + super().__init__(voltage, state_duration, transition_names, with_traces) + + def load_data(self, log_data): + from dfatool.lennart.SigrokInterface import SigrokResult + from dfatool.lennart.EnergyInterface import EnergyInterface + + # Daten laden + self.sync_data = None + self.energy_data = EnergyInterface.getDataFromString(str(log_data[0])) + + pass + + def analyze_states(self, traces, offline_index: int): + + # Start "Synchronization pulse" + timestamps = [0, 10, 1e6, 1e6 + 10] + + # The first trace doesn't start immediately, append offset saved by OnboarTimerHarness + timestamps.append(timestamps[-1] + traces[0]["start_offset"][offline_index]) + for tr in traces: + for t in tr["trace"]: + # print(t["online_aggregates"]["duration"][offline_index]) + try: + timestamps.append( + timestamps[-1] + + t["online_aggregates"]["duration"][offline_index] + ) + except IndexError: + self.errors.append( + f"""offline_index {offline_index} missing in trace {tr["id"]}""" + ) + return list() + + # print(timestamps) + + # Stop "Synchronization pulses". The first one has already started. + timestamps.extend(np.array([10, 1e6, 1e6 + 10]) + timestamps[-1]) + timestamps.extend(np.array([0, 10, 1e6, 1e6 + 10]) + 250e3 + timestamps[-1]) + + timestamps = list(np.array(timestamps) * 1e-6) + + from dfatool.lennart.SigrokInterface import SigrokResult + + self.sync_data = SigrokResult(timestamps, False) + return super().analyze_states(traces, offline_index) + + class MIMOSA: """ MIMOSA log loader for DFA traces with auto-calibration. @@ -1645,7 +1865,7 @@ class MIMOSA: self.errors = list() def charge_to_current_nocal(self, charge): - u""" + """ Convert charge per 10µs (in pJ) to mean currents (in µA) without accounting for calibration. :param charge: numpy array of charges (pJ per 10µs) as returned by `load_data` or `load_file` @@ -1657,7 +1877,7 @@ class MIMOSA: return charge * ua_step def _load_tf(self, tf): - u""" + """ Load MIMOSA log data from an open `tarfile` instance. :param tf: `tarfile` instance @@ -1678,7 +1898,7 @@ class MIMOSA: return charges, triggers def load_data(self, raw_data): - u""" + """ Load MIMOSA log data from a MIMOSA log file passed as raw byte string :param raw_data: MIMOSA log file, passed as raw byte string @@ -1690,7 +1910,7 @@ class MIMOSA: return self._load_tf(tf) def load_file(self, filename): - u""" + """ Load MIMOSA log data from a MIMOSA log file :param filename: MIMOSA log file @@ -1701,7 +1921,7 @@ class MIMOSA: return self._load_tf(tf) def currents_nocal(self, charges): - u""" + """ Convert charges (pJ per 10µs) to mean currents without accounting for calibration. :param charges: numpy array of charges (pJ per 10µs) @@ -1758,7 +1978,7 @@ class MIMOSA: return trigidx def calibration_edges(self, currents): - u""" + """ Return start/stop indexes of calibration measurements. :param currents: uncalibrated currents as reported by MIMOSA. For best results, @@ -1795,7 +2015,7 @@ class MIMOSA: ) def calibration_function(self, charges, cal_edges): - u""" + """ Calculate calibration function from previously determined calibration edges. :param charges: raw charges from MIMOSA @@ -1885,7 +2105,7 @@ class MIMOSA: return calfunc, caldata def analyze_states(self, charges, trigidx, ua_func): - u""" + """ Split log data into states and transitions and return duration, energy, and mean power for each element. :param charges: raw charges (each element describes the charge in pJ transferred during 10 µs) @@ -1934,7 +2154,10 @@ class MIMOSA: } if self.with_traces: - data["uW"] = range_ua * self.voltage + data["plot"] = ( + np.arange(len(range_ua)) * 1e-5, + range_ua * self.voltage * 1e-6, + ) if isa == "transition": # subtract average power of previous state diff --git a/lib/parameters.py b/lib/parameters.py index 5c6b978..fa966a3 100644 --- a/lib/parameters.py +++ b/lib/parameters.py @@ -434,7 +434,12 @@ class ParamStats: """ def __init__( - self, by_name, by_param, parameter_names, arg_count, use_corrcoef=False, + self, + by_name, + by_param, + parameter_names, + arg_count, + use_corrcoef=False, ): """ Compute standard deviation and correlation coefficient on parameterized data partitions. diff --git a/lib/plotter.py b/lib/plotter.py index 16c0145..929ceb9 100755 --- a/lib/plotter.py +++ b/lib/plotter.py @@ -136,7 +136,11 @@ def plot_xy(X, Y, xlabel=None, ylabel=None, title=None, output=None, family=Fals if family: cm = plt.get_cmap("brg", len(Y)) for i, YY in enumerate(Y): - plt.plot(np.arange(len(YY)), YY, "-", markersize=2, color=cm(i)) + if X: + XX = X[i] + else: + XX = np.arange(len(YY)) + plt.plot(XX, YY, "-", markersize=2, color=cm(i)) else: plt.plot(X, Y, "bo", markersize=2) if output: diff --git a/lib/protocol_benchmarks.py b/lib/protocol_benchmarks.py index d41979f..7f3e2f2 100755 --- a/lib/protocol_benchmarks.py +++ b/lib/protocol_benchmarks.py @@ -328,8 +328,10 @@ class ArduinoJSON(DummyProtocol): child = enc_node + "l" while child in self.children: child += "_" - self.enc_buf += "ArduinoJson::JsonArray& {} = {}.createNestedArray();\n".format( - child, enc_node + self.enc_buf += ( + "ArduinoJson::JsonArray& {} = {}.createNestedArray();\n".format( + child, enc_node + ) ) self.children.add(child) self.from_json(value, child) @@ -338,8 +340,10 @@ class ArduinoJSON(DummyProtocol): child = enc_node + "o" while child in self.children: child += "_" - self.enc_buf += "ArduinoJson::JsonObject& {} = {}.createNestedObject();\n".format( - child, enc_node + self.enc_buf += ( + "ArduinoJson::JsonObject& {} = {}.createNestedObject();\n".format( + child, enc_node + ) ) self.children.add(child) self.from_json(value, child) @@ -616,11 +620,15 @@ class CapnProtoC(DummyProtocol): [len(value)], ) for i, elem in enumerate(value): - self.enc_buf += "capn_set{:d}({}.{}, {:d}, capn_from_f{:d}({:f}));\n".format( - self.float_bits, self.name, key, i, self.float_bits, elem + self.enc_buf += ( + "capn_set{:d}({}.{}, {:d}, capn_from_f{:d}({:f}));\n".format( + self.float_bits, self.name, key, i, self.float_bits, elem + ) ) - self.dec_buf += "kout << capn_to_f{:d}(capn_get{:d}({}.{}, {:d}));\n".format( - self.float_bits, self.float_bits, self.name, key, i + self.dec_buf += ( + "kout << capn_to_f{:d}(capn_get{:d}({}.{}, {:d}));\n".format( + self.float_bits, self.float_bits, self.name, key, i + ) ) self.assign_and_kout( self.float_type, @@ -1196,8 +1204,10 @@ class NanoPB(DummyProtocol): self.cc_encoders += ( "if (!pb_encode_tag_for_field(stream, field)) return false;\n" ) - self.cc_encoders += 'return pb_encode_string(stream, (uint8_t*)"{}", {:d});\n'.format( - value, len(value) + self.cc_encoders += ( + 'return pb_encode_string(stream, (uint8_t*)"{}", {:d});\n'.format( + value, len(value) + ) ) self.cc_encoders += "}\n" self.enc_buf += "msg.{}{}.funcs.encode = encode_{};\n".format( diff --git a/lib/runner.py b/lib/runner.py index 71ca799..72d222d 100644 --- a/lib/runner.py +++ b/lib/runner.py @@ -9,7 +9,7 @@ Functions: get_monitor -- return Monitor class suitable for the selected multipass arch get_counter_limits -- return arch-specific multipass counter limits (max value, max overflow) """ - +import json import os import re import serial @@ -17,6 +17,7 @@ import serial.threaded import subprocess import sys import time +from dfatool.lennart.SigrokCLIInterface import SigrokCLIInterface class SerialReader(serial.threaded.Protocol): @@ -156,6 +157,7 @@ class EnergyTraceMonitor(SerialMonitor): self._start_energytrace() def _start_energytrace(self): + print("[%s] Starting Measurement" % type(self).__name__) cmd = ["msp430-etv", "--save", self._output, "0"] self._logger = subprocess.Popen( cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True @@ -166,17 +168,19 @@ class EnergyTraceMonitor(SerialMonitor): super().close() self._logger.send_signal(subprocess.signal.SIGINT) stdout, stderr = self._logger.communicate(timeout=15) + print("[%s] Stopped Measurement" % type(self).__name__) # Zusätzliche Dateien, die mit dem Benchmark-Log und -Plan abgespeichert werden sollen # (hier: Die von msp430-etv generierten Logfiles) def get_files(self) -> list: + print("[%s] Getting files" % type(self).__name__) return [self._output] - # + # Benchmark-Konfiguration. Hier: Die (konstante) Spannung. + # MSP430FR5969: 3,6V (wird aktuell nicht unterstützt) + # MSP430FR5994: 3,3V (default) def get_config(self) -> dict: - return { - "voltage": self._voltage, - } + return {"voltage": self._voltage} class EnergyTraceLogicAnalyzerMonitor(EnergyTraceMonitor): @@ -185,6 +189,33 @@ class EnergyTraceLogicAnalyzerMonitor(EnergyTraceMonitor): def __init__(self, port: str, baud: int, callback=None, voltage=3.3): super().__init__(port=port, baud=baud, callback=callback, voltage=voltage) + options = {"fake": False, "sample_rate": 1_000_000} + self.log_file = "logic_output_log_%s.json" % (time.strftime("%Y%m%d-%H%M%S")) + + # Initialization of Interfaces + self.sig = SigrokCLIInterface( + sample_rate=options["sample_rate"], + fake=options["fake"], + ) + + # Start Measurements + self.sig.runMeasureAsynchronous() + + def close(self): + super().close() + # Read measured data + # self.sig.waitForAsynchronousMeasure() + self.sig.forceStopMeasure() + time.sleep(0.2) + sync_data = self.sig.getData() + with open(self.log_file, "w") as fp: + json.dump(sync_data.getDict(), fp) + + def get_files(self) -> list: + files = [self.log_file] + files.extend(super().get_files()) + return files + class MIMOSAMonitor(SerialMonitor): """MIMOSAMonitor captures serial output and MIMOSA energy data for a specific amount of time.""" @@ -261,11 +292,7 @@ class MIMOSAMonitor(SerialMonitor): return [self.mim_file] def get_config(self) -> dict: - return { - "offset": self._offset, - "shunt": self._shunt, - "voltage": self._voltage, - } + return {"offset": self._offset, "shunt": self._shunt, "voltage": self._voltage} class ShellMonitor: diff --git a/lib/sly/docparse.py b/lib/sly/docparse.py index 0f35c97..6a60eaf 100644 --- a/lib/sly/docparse.py +++ b/lib/sly/docparse.py @@ -9,7 +9,7 @@ class DocParseMeta(type): ''' Metaclass that processes the class docstring through a parser and incorporates the result into the resulting class definition. This - allows Python classes to be defined with alternative syntax. + allows Python classes to be defined with alternative syntax. To use this class, you first need to define a lexer and parser: from sly import Lexer, Parser @@ -39,7 +39,7 @@ class DocParseMeta(type): ... """ - It is expected that the MyParser() class would return a dictionary. + It is expected that the MyParser() class would return a dictionary. This dictionary is used to create the final class Spam in this example. ''' diff --git a/lib/utils.py b/lib/utils.py index e537525..31fedcf 100644 --- a/lib/utils.py +++ b/lib/utils.py @@ -1,3 +1,4 @@ +import json import numpy as np import re import logging @@ -6,6 +7,18 @@ arg_support_enabled = True logger = logging.getLogger(__name__) +class NpEncoder(json.JSONEncoder): + def default(self, obj): + if isinstance(obj, np.integer): + return int(obj) + elif isinstance(obj, np.floating): + return float(obj) + elif isinstance(obj, np.ndarray): + return obj.tolist() + else: + return super(NpEncoder, self).default(obj) + + def running_mean(x: np.ndarray, N: int) -> np.ndarray: """ Compute `N` elements wide running average over `x`. |