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Message-ID: <20220324183323.31414-4-alisaidi@amazon.com>
Date: Thu, 24 Mar 2022 18:33:22 +0000
From: Ali Saidi <alisaidi@...zon.com>
To: <linux-kernel@...r.kernel.org>, <linux-perf-users@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>, <german.gomez@....com>,
<leo.yan@...aro.org>, <acme@...nel.org>
CC: <alisaidi@...zon.com>, <benh@...nel.crashing.org>,
<Nick.Forrington@....com>, <alexander.shishkin@...ux.intel.com>,
<andrew.kilroy@....com>, <james.clark@....com>,
<john.garry@...wei.com>, <jolsa@...nel.org>, <kjain@...ux.ibm.com>,
<lihuafei1@...wei.com>, <mark.rutland@....com>,
<mathieu.poirier@...aro.org>, <mingo@...hat.com>,
<namhyung@...nel.org>, <peterz@...radead.org>, <will@...nel.org>
Subject: [PATCH v4 3/4] perf mem: Support mem_lvl_num in c2c command
In addition to summarizing data encoded in mem_lvl also support data
encoded in mem_lvl_num.
Since other architectures don't seem to populate the mem_lvl_num field
here there shouldn't be a change in functionality.
Signed-off-by: Ali Saidi <alisaidi@...zon.com>
Tested-by: German Gomez <german.gomez@....com>
Reviewed-by: German Gomez <german.gomez@....com>
---
tools/perf/util/mem-events.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c
index ed0ab838bcc5..e5e405185498 100644
--- a/tools/perf/util/mem-events.c
+++ b/tools/perf/util/mem-events.c
@@ -485,6 +485,7 @@ int c2c_decode_stats(struct c2c_stats *stats, struct mem_info *mi)
u64 daddr = mi->daddr.addr;
u64 op = data_src->mem_op;
u64 lvl = data_src->mem_lvl;
+ u64 lnum = data_src->mem_lvl_num;
u64 snoop = data_src->mem_snoop;
u64 lock = data_src->mem_lock;
u64 blk = data_src->mem_blk;
@@ -527,16 +528,18 @@ do { \
if (lvl & P(LVL, UNC)) stats->ld_uncache++;
if (lvl & P(LVL, IO)) stats->ld_io++;
if (lvl & P(LVL, LFB)) stats->ld_fbhit++;
- if (lvl & P(LVL, L1 )) stats->ld_l1hit++;
- if (lvl & P(LVL, L2 )) stats->ld_l2hit++;
- if (lvl & P(LVL, L3 )) {
+ if (lvl & P(LVL, L1) || lnum == P(LVLNUM, L1))
+ stats->ld_l1hit++;
+ if (lvl & P(LVL, L2) || lnum == P(LVLNUM, L2))
+ stats->ld_l2hit++;
+ if (lvl & P(LVL, L3) || lnum == P(LVLNUM, L3)) {
if (snoop & P(SNOOP, HITM))
HITM_INC(lcl_hitm);
else
stats->ld_llchit++;
}
- if (lvl & P(LVL, LOC_RAM)) {
+ if (lvl & P(LVL, LOC_RAM) || lnum == P(LVLNUM, RAM)) {
stats->lcl_dram++;
if (snoop & P(SNOOP, HIT))
stats->ld_shared++;
--
2.32.0
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