Re: [PATCH v4 3/4] perf report: Add SPE options to --itrace argument
From: Adrian Hunter <adrian.hunter@intel.com>
Date: 2020-02-17 11:40:58
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On 11/02/20 4:04 pm, James Clark wrote:
From: Tan Xiaojun <redacted> 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 <redacted> Tested-by: Qi Liu <redacted> Signed-off-by: James Clark <redacted> 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 <redacted> Cc: Tan Xiaojun <redacted> Cc: Al Grant <redacted> Cc: Namhyung Kim <namhyung@kernel.org>
There is also ITRACE_HELP in tools/perf/util/auxtrace.h Otherwise for auxtrace: Acked-by: Adrian Hunter <adrian.hunter@intel.com>
quoted hunk ↗ jump to hunk
--- tools/perf/Documentation/itrace.txt | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)diff --git a/tools/perf/Documentation/itrace.txt b/tools/perf/Documentation/itrace.txt index 82ff7dad40c2..8e1488de1fb3 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@@ -12,6 +12,9 @@ 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 + m synthesize LLC miss events + t synthesize TLB miss events + a synthesize remote access events The default is all events i.e. the same as --itrace=ibxwpe, except for perf script where it is --itrace=ce
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