diff options
| author | Kan Liang <kan.liang@linux.intel.com> | 2021-02-02 12:09:08 -0800 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-02-08 16:25:00 -0300 |
| commit | d9d5d767b2c006bbc1993ba3f2124d23ff515e32 (patch) | |
| tree | 620db6099e50073b0c62483fe73a3abe863f2312 /tools/perf/util | |
| parent | a054c2989fe36e1bde07f34b98e108a8a3a1e011 (diff) | |
| download | linux-d9d5d767b2c006bbc1993ba3f2124d23ff515e32.tar.gz | |
perf c2c: Support data block and addr block
'perf c2c' is also a memory profiling tool. Apply the two new data source fields to 'perf c2c' as well. Extend 'perf c2c' to display the number of loads which blocked by data or address conflict. Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Joe Mario <jmario@redhat.com> Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/1612296553-21962-5-git-send-email-kan.liang@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/mem-events.c | 6 | ||||
| -rw-r--r-- | tools/perf/util/mem-events.h | 2 |
2 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c index 890f638e2f11..f93a852ad838 100644 --- a/tools/perf/util/mem-events.c +++ b/tools/perf/util/mem-events.c @@ -385,6 +385,7 @@ int c2c_decode_stats(struct c2c_stats *stats, struct mem_info *mi) u64 lvl = data_src->mem_lvl; u64 snoop = data_src->mem_snoop; u64 lock = data_src->mem_lock; + u64 blk = data_src->mem_blk; /* * Skylake might report unknown remote level via this * bit, consider it when evaluating remote HITMs. @@ -404,6 +405,9 @@ do { \ if (lock & P(LOCK, LOCKED)) stats->locks++; + if (blk & P(BLK, DATA)) stats->blk_data++; + if (blk & P(BLK, ADDR)) stats->blk_addr++; + if (op & P(OP, LOAD)) { /* load */ stats->load++; @@ -515,6 +519,8 @@ void c2c_add_stats(struct c2c_stats *stats, struct c2c_stats *add) stats->rmt_hit += add->rmt_hit; stats->lcl_dram += add->lcl_dram; stats->rmt_dram += add->rmt_dram; + stats->blk_data += add->blk_data; + stats->blk_addr += add->blk_addr; stats->nomap += add->nomap; stats->noparse += add->noparse; } diff --git a/tools/perf/util/mem-events.h b/tools/perf/util/mem-events.h index 5ddf44793120..755cef7e0625 100644 --- a/tools/perf/util/mem-events.h +++ b/tools/perf/util/mem-events.h @@ -79,6 +79,8 @@ struct c2c_stats { u32 rmt_hit; /* count of loads with remote hit clean; */ u32 lcl_dram; /* count of loads miss to local DRAM */ u32 rmt_dram; /* count of loads miss to remote DRAM */ + u32 blk_data; /* count of loads blocked by data */ + u32 blk_addr; /* count of loads blocked by address conflict */ u32 nomap; /* count of load/stores with no phys adrs */ u32 noparse; /* count of unparsable data sources */ }; |