diff options
author | Kan Liang <[email protected]> | 2024-06-26 07:35:37 -0700 |
---|---|---|
committer | Peter Zijlstra <[email protected]> | 2024-07-04 16:00:38 +0200 |
commit | 608f6976c309793ceea37292c54b057dab091944 (patch) | |
tree | 8e1f51f2bae6bc157724e1dffe1b625fef455cd3 /tools/testing/selftests/bpf/progs/test_autoload.c | |
parent | 090262439f66df03d4e9d0e52e14104b729e2ef8 (diff) |
perf/x86/intel: Support new data source for Lunar Lake
A new PEBS data source format is introduced for the p-core of Lunar
Lake. The data source field is extended to 8 bits with new encodings.
A new layout is introduced into the union intel_x86_pebs_dse.
Introduce the lnl_latency_data() to parse the new format.
Enlarge the pebs_data_source[] accordingly to include new encodings.
Only the mem load and the mem store events can generate the data source.
Introduce INTEL_HYBRID_LDLAT_CONSTRAINT and
INTEL_HYBRID_STLAT_CONSTRAINT to mark them.
Add two new bits for the new cache-related data src, L2_MHB and MSC.
The L2_MHB is short for L2 Miss Handling Buffer, which is similar to
LFB (Line Fill Buffer), but to track the L2 Cache misses.
The MSC stands for the memory-side cache.
Signed-off-by: Kan Liang <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Reviewed-by: Andi Kleen <[email protected]>
Reviewed-by: Ian Rogers <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_autoload.c')
0 files changed, 0 insertions, 0 deletions