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Merge pull request #2792 from AYUSHJAIN951/perf/perf_genericevents
perf/perf_genericevents.py: Use AMD Zen for parsing
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -12,8 +12,10 @@ | |
| # | ||
| # | ||
| # Copyright: 2017 IBM | ||
| # Copyright (C) 2024 Advanced Micro Devices, Inc. | ||
| # Author: Athira Rajeev<[email protected]> | ||
| # Author: Shriya Kulkarni <[email protected]> | ||
| # Author: Ayush Jain <[email protected]> | ||
|
|
||
| import os | ||
| import configparser | ||
|
|
@@ -46,19 +48,28 @@ def read_generic_events(self): | |
| self.generic_events = dict(parser.items('POWER10')) | ||
| else: | ||
| self.cancel("Processor is not supported: %s" % cpu_info) | ||
| if 'amd' in cpu.get_vendor(): | ||
| for line in cpu_info.splitlines(): | ||
| if 'cpu family' in line: | ||
| self.family = int(line.split(':')[1]) | ||
| self.arch = cpu.get_arch() | ||
| self.vendor = cpu.get_vendor() | ||
| if 'amd' in self.vendor: | ||
| self.family = cpu.get_family() | ||
| if self.family == 0x16: | ||
| self.log.info("AMD Family: 16h") | ||
| self.generic_events = dict(parser.items('AMD16h')) | ||
| elif self.family >= 0x17: | ||
| self.log.info("AMD Family: 17h") | ||
| self.generic_events = dict(parser.items('AMD17h')) | ||
| self.amd_zen = cpu.get_x86_amd_zen() | ||
| if self.amd_zen is None: | ||
| self.cancel("Unsupported AMD ZEN") | ||
| self.log.info(f"AMD Family: {self.family} ZEN{self.amd_zen}") | ||
| if f'AMDZEN{self.amd_zen}' in parser.keys() is not None: | ||
| self.generic_events = dict(parser.items(f'AMDZEN{self.amd_zen}')) | ||
| else: | ||
| self.cancel(f"AMD ZEN{self.amd_zen} raw_code cfg not found") | ||
| else: | ||
| self.cancel("Unsupported AMD Family") | ||
|
|
||
| def hex_to_int(self, input): | ||
| return int(input, 0) | ||
|
|
||
| def test(self): | ||
| nfail = 0 | ||
| dir = "/sys/bus/event_source/devices/cpu/events" | ||
|
|
@@ -71,19 +82,24 @@ def test(self): | |
| if val is None: | ||
| continue | ||
| if 'umask' in event_code: | ||
| self.log.debug("EventCode: %s" % event_code) | ||
| event = (event_code.split('0x')[1]).rstrip(',umask=') | ||
| umask = event_code.split('=', 2)[2].rstrip() | ||
| raw_code = umask + event | ||
| if self.arch == "x86_64" and 'amd' in self.vendor: | ||
| umask = self.hex_to_int(umask) | ||
| event = self.hex_to_int(event_code.split('=', 2)[1].rstrip(',umask=')) | ||
| raw_code = (event & 0xff) | (umask << 8) | ((event & 0xf00) << 24) | ||
| else: | ||
| event = (event_code.split('0x')[1]).rstrip(',umask=') | ||
| raw_code = self.hex_to_int(umask + event) | ||
| else: | ||
| raw_code = event_code.split('=', 2)[1].rstrip() | ||
| raw_code = self.hex_to_int(event_code.split('=', 2)[1].rstrip()) | ||
|
|
||
| self.log.info('FILE in %s is %s' % (dir, file)) | ||
| if raw_code != val: | ||
| if raw_code != self.hex_to_int(val): | ||
| nfail += 1 | ||
| self.log.info('FAIL : Expected value is %s but got ' | ||
| '%s' % (val, raw_code)) | ||
| self.log.info('FAIL : Expected value is %s or %s but got ' | ||
| '%s' % (val, self.hex_to_int(val), raw_code)) | ||
| else: | ||
| self.log.info('PASS : Expected value: %s and got ' | ||
| '%s' % (val, raw_code)) | ||
| self.log.info('PASS : Expected value: %s or %s and got ' | ||
| '%s' % (val, self.hex_to_int(val), raw_code)) | ||
| if nfail != 0: | ||
| self.fail('Failed to verify generic PMU event codes') | ||
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