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Date: Sun, 17 Apr 2022 20:45:24 +0800
From: Leo Yan <leo.yan@...aro.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Kajol Jain <kjain@...ux.ibm.com>,
Li Huafei <lihuafei1@...wei.com>,
Ali Saidi <alisaidi@...zon.com>,
linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Leo Yan <leo.yan@...aro.org>
Subject: [PATCH] perf mem: Print memory operation type
The memory operation types are not only for load and store, for easier
reviewing the memory operation type, this patch prints out it.
Before:
ls 14753 [011] 3678.072400: 1 l1d-miss: 88000182 L1 miss|SNP N/A|TLB Walker hit|LCK No|BLK N/A ffffa7c22b4b2a00 [unknown] ([kernel.kallsyms])
ls 14753 [011] 3678.072400: 1 l1d-access: 88000182 L1 miss|SNP N/A|TLB Walker hit|LCK No|BLK N/A ffffa7c22b4b2a00 [unknown] ([kernel.kallsyms])
ls 14753 [011] 3678.072400: 1 tlb-access: 88000182 L1 miss|SNP N/A|TLB Walker hit|LCK No|BLK N/A ffffa7c22b4b2a00 [unknown] ([kernel.kallsyms])
ls 14753 [011] 3678.072400: 1 memory: 88000182 L1 miss|SNP N/A|TLB Walker hit|LCK No|BLK N/A ffffa7c22b4b2a00 [unknown] ([kernel.kallsyms])
After:
ls 14753 [011] 3678.072400: 1 l1d-miss: 88000182 |OP LOAD|LVL L1 miss|SNP N/A|TLB Walker hit|LCK No|BLK N/A ffffa7c22b4b2a00 [unknown] ([kernel.kallsyms])
ls 14753 [011] 3678.072400: 1 l1d-access: 88000182 |OP LOAD|LVL L1 miss|SNP N/A|TLB Walker hit|LCK No|BLK N/A ffffa7c22b4b2a00 [unknown] ([kernel.kallsyms])
ls 14753 [011] 3678.072400: 1 tlb-access: 88000182 |OP LOAD|LVL L1 miss|SNP N/A|TLB Walker hit|LCK No|BLK N/A ffffa7c22b4b2a00 [unknown] ([kernel.kallsyms])
ls 14753 [011] 3678.072400: 1 memory: 88000182 |OP LOAD|LVL L1 miss|SNP N/A|TLB Walker hit|LCK No|BLK N/A ffffa7c22b4b2a00 [unknown] ([kernel.kallsyms])
Signed-off-by: Leo Yan <leo.yan@...aro.org>
---
tools/perf/util/mem-events.c | 29 ++++++++++++++++++++++++++++-
1 file changed, 28 insertions(+), 1 deletion(-)
diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c
index e5e405185498..f8f234251f92 100644
--- a/tools/perf/util/mem-events.c
+++ b/tools/perf/util/mem-events.c
@@ -314,6 +314,30 @@ static const char * const mem_hops[] = {
"board",
};
+static int perf_mem__op_scnprintf(char *out, size_t sz, struct mem_info *mem_info)
+{
+ u64 op = PERF_MEM_LOCK_NA;
+ int l;
+
+ if (mem_info)
+ op = mem_info->data_src.mem_op;
+
+ if (op & PERF_MEM_OP_NA)
+ l = scnprintf(out, sz, "N/A");
+ else if (op & PERF_MEM_OP_LOAD)
+ l = scnprintf(out, sz, "LOAD");
+ else if (op & PERF_MEM_OP_STORE)
+ l = scnprintf(out, sz, "STORE");
+ else if (op & PERF_MEM_OP_PFETCH)
+ l = scnprintf(out, sz, "PFETCH");
+ else if (op & PERF_MEM_OP_EXEC)
+ l = scnprintf(out, sz, "EXEC");
+ else
+ l = scnprintf(out, sz, "No");
+
+ return l;
+}
+
int perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info)
{
size_t i, l = 0;
@@ -466,7 +490,10 @@ int perf_script__meminfo_scnprintf(char *out, size_t sz, struct mem_info *mem_in
{
int i = 0;
- i += perf_mem__lvl_scnprintf(out, sz, mem_info);
+ i += scnprintf(out, sz, "|OP ");
+ i += perf_mem__op_scnprintf(out + i, sz - i, mem_info);
+ i += scnprintf(out + i, sz - i, "|LVL ");
+ i += perf_mem__lvl_scnprintf(out + i, sz, mem_info);
i += scnprintf(out + i, sz - i, "|SNP ");
i += perf_mem__snp_scnprintf(out + i, sz - i, mem_info);
i += scnprintf(out + i, sz - i, "|TLB ");
--
2.25.1
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