Commit f78d6250 authored Aug 11, 2022 by Leo Yan Committed by Arnaldo Carvalho de Melo Aug 11, 2022

perf mem: Print snoop peer flag

Since PERF_MEM_SNOOPX_PEER flag is a new snoop type, print this flag if
it is set.

After:

Reviewed-by: Ali Saidi <alisaidi@amazon.com>
Reviewed-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Tested-by: Ali Saidi <alisaidi@amazon.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Gustavo A. R. Silva <gustavoars@kernel.org>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Like Xu <likexu@tencent.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Timothy Hayes <timothy.hayes@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20220811062451.435810-3-leo.yan@linaro.org

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent 2e21bcf0

tools/perf/util/mem-events.c

+15 −3

Original line number	Original line	Diff line number	Diff line
	@@ -410,6 +410,11 @@ static const char * const snoop_access[] = {
	"HitM",		"HitM",
	};		};

			static const char * const snoopx_access[] = {
			"Fwd",
			"Peer",
			};

	int perf_mem__snp_scnprintf(char out, size_t sz, struct mem_info mem_info)		int perf_mem__snp_scnprintf(char out, size_t sz, struct mem_info mem_info)
	{		{
	size_t i, l = 0;		size_t i, l = 0;
	@@ -430,13 +435,20 @@ int perf_mem__snp_scnprintf(char out, size_t sz, struct mem_info mem_info)
	}		}
	l += scnprintf(out + l, sz - l, snoop_access[i]);		l += scnprintf(out + l, sz - l, snoop_access[i]);
	}		}
	if (mem_info &&
	(mem_info->data_src.mem_snoopx & PERF_MEM_SNOOPX_FWD)) {		m = 0;
			if (mem_info)
			m = mem_info->data_src.mem_snoopx;

			for (i = 0; m && i < ARRAY_SIZE(snoopx_access); i++, m >>= 1) {
			if (!(m & 0x1))
			continue;

	if (l) {		if (l) {
	strcat(out, " or ");		strcat(out, " or ");
	l += 4;		l += 4;
	}		}
	l += scnprintf(out + l, sz - l, "Fwd");		l += scnprintf(out + l, sz - l, snoopx_access[i]);
	}		}

	if (*out == '\0')		if (*out == '\0')