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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Feb 2025 06:06:19.1560 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d25e914c-3f95-4028-677a-08dd45ab3557 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF000075F2.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB8770 IBS on Zen5: - introduced Load Latency filtering capability. - shows DTLB and page size information differently from prior generations. Incorporate these changes into IBS kernel driver as well as perf tool. Also include a perf unit-test to test IBS sample period constraints. Patches are prepared on peterz/queue/perf/core (cffa473a06d2). v2: https://lore.kernel.org/r/20241218121437.1717-1-ravi.bangoria@amd.com v2->v3: - The patch series to fix IBS sample period computation [1] is picked up by Peter except the last patch which added unit test in perf tool. Include it in this series instead of sending it independently. - No changes otherwise. [1]: https://lore.kernel.org/r/20250115054438.1021-1-ravi.bangoria@amd.com Ravi Bangoria (7): perf/amd/ibs: Add support for OP Load Latency Filtering perf/amd/ibs: Update DTLB/PageSize decode logic perf amd ibs: Sync arch/x86/include/asm/amd-ibs.h header with the kernel perf amd ibs: Add Load Latency bits in raw dump perf amd ibs: Incorporate Zen5 DTLB and PageSize information perf mem/c2c amd: Add ldlat support perf test amd ibs: Add sample period unit test arch/x86/events/amd/ibs.c | 116 ++- arch/x86/include/asm/amd-ibs.h | 3 +- arch/x86/include/asm/perf_event.h | 4 + tools/arch/x86/include/asm/amd-ibs.h | 3 +- tools/perf/Documentation/perf-amd-ibs.txt | 9 + tools/perf/Documentation/perf-c2c.txt | 10 +- tools/perf/Documentation/perf-mem.txt | 12 +- tools/perf/arch/x86/include/arch-tests.h | 1 + tools/perf/arch/x86/tests/Build | 1 + tools/perf/arch/x86/tests/amd-ibs-period.c | 951 +++++++++++++++++++++ tools/perf/arch/x86/tests/arch-tests.c | 2 + tools/perf/arch/x86/util/mem-events.c | 6 + tools/perf/arch/x86/util/mem-events.h | 1 + tools/perf/arch/x86/util/pmu.c | 20 +- tools/perf/tests/shell/test_data_symbol.sh | 29 +- tools/perf/util/amd-sample-raw.c | 77 +- tools/perf/util/pmu.c | 11 + tools/perf/util/pmu.h | 2 + 18 files changed, 1224 insertions(+), 34 deletions(-) create mode 100644 tools/perf/arch/x86/tests/amd-ibs-period.c -- 2.43.0