Messages in this thread Patch in this message | | | From | James Clark <> | Subject | [PATCH v6 3/3] perf report: Add SPE options to --itrace argument | Date | Fri, 6 Mar 2020 15:25:20 +0000 |
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From: Tan Xiaojun <tanxiaojun@huawei.com>
The previous patch added support in "perf report" for some arm-spe events(llc-miss, tlb-miss, branch-miss, remote_access). This patch adds their help instructions.
Signed-off-by: Tan Xiaojun <tanxiaojun@huawei.com> Tested-by: Qi Liu <liuqi115@hisilicon.com> Signed-off-by: James Clark <james.clark@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Tan Xiaojun <tanxiaojun@huawei.com> Cc: Al Grant <al.grant@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> --- tools/perf/Documentation/itrace.txt | 5 ++++- tools/perf/util/auxtrace.h | 5 ++++- 2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/tools/perf/Documentation/itrace.txt b/tools/perf/Documentation/itrace.txt index 82ff7dad40c2..da3e5ccc039e 100644 --- a/tools/perf/Documentation/itrace.txt +++ b/tools/perf/Documentation/itrace.txt @@ -1,5 +1,5 @@ i synthesize instructions events - b synthesize branches events + b synthesize branches events (branch misses on Arm) c synthesize branches events (calls only) r synthesize branches events (returns only) x synthesize transactions events @@ -9,6 +9,9 @@ of aux-output (refer to perf record) e synthesize error events d create a debug log + m synthesize LLC miss events + t synthesize TLB miss events + a synthesize remote access events g synthesize a call chain (use with i or x) l synthesize last branch entries (use with i or x) s skip initial number of events diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h index 80617b0d044d..52e148eea7f8 100644 --- a/tools/perf/util/auxtrace.h +++ b/tools/perf/util/auxtrace.h @@ -587,7 +587,7 @@ void auxtrace__free(struct perf_session *session); #define ITRACE_HELP \ " i: synthesize instructions events\n" \ -" b: synthesize branches events\n" \ +" b: synthesize branches events (branch misses on Arm)\n" \ " c: synthesize branches events (calls only)\n" \ " r: synthesize branches events (returns only)\n" \ " x: synthesize transactions events\n" \ @@ -595,6 +595,9 @@ void auxtrace__free(struct perf_session *session); " p: synthesize power events\n" \ " e: synthesize error events\n" \ " d: create a debug log\n" \ +" m: synthesize LLC miss events\n" \ +" t: synthesize TLB miss events\n" \ +" a: synthesize remote access events\n" \ " g[len]: synthesize a call chain (use with i or x)\n" \ " l[len]: synthesize last branch entries (use with i or x)\n" \ " sNUMBER: skip initial number of events\n" \ -- 2.17.1
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