| Message ID | 20200211140445.21986-4-james.clark@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | perf tools: Add support for some spe events and precise ip | expand |
On 11/02/20 4:04 pm, James Clark wrote: > 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> There is also ITRACE_HELP in tools/perf/util/auxtrace.h Otherwise for auxtrace: Acked-by: Adrian Hunter <adrian.hunter@intel.com> > --- > 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 >
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