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| Started by | Vince Weaver <vincent.weaver@maine.edu> |
|---|---|
| First post | 2016-10-21 23:00 +0200 |
| Last post | 2016-10-22 12:00 +0200 |
| Articles | 2 — 2 participants |
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[patch] perf_event_open.2: add PERF_SAMPLE_BRANCH_CALL branch sample type Vince Weaver <vincent.weaver@maine.edu> - 2016-10-21 23:00 +0200
Re: [patch] perf_event_open.2: add PERF_SAMPLE_BRANCH_CALL branch sample type "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com> - 2016-10-22 12:00 +0200
| From | Vince Weaver <vincent.weaver@maine.edu> |
|---|---|
| Date | 2016-10-21 23:00 +0200 |
| Subject | [patch] perf_event_open.2: add PERF_SAMPLE_BRANCH_CALL branch sample type |
| Message-ID | <suP50-2kf-15@gated-at.bofh.it> |
Linux 4.4 (c229bf9dc179d2023e185c0f705bdf68484c1e73) added the PERF_SAMPLE_BRANCH_CALL branch sample type, which confusingly is a direct-call only subset of what PERF_SAMPLE_BRANCH_ANY_CALL provides. Signed-off-by: Vince Weaver <vincent.weaver@maine.edu> diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2 index fade28c..8d985b3 100644 --- a/man2/perf_event_open.2 +++ b/man2/perf_event_open.2 @@ -1256,14 +1256,18 @@ following bits must be set. Any branch type. .TP .B PERF_SAMPLE_BRANCH_ANY_CALL -Any call branch. -.TP -.B PERF_SAMPLE_BRANCH_ANY_RETURN -Any return branch. +Any call branch (includes direct calls, indirect calls, and far jumps). .TP .B PERF_SAMPLE_BRANCH_IND_CALL Indirect calls. .TP +.BR PERF_SAMPLE_BRANCH_CALL " (since Linux 4.4)" +.\" commit c229bf9dc179d2023e185c0f705bdf68484c1e73 +Direct calls. +.TP +.B PERF_SAMPLE_BRANCH_ANY_RETURN +Any return branch. +.TP .BR PERF_SAMPLE_BRANCH_IND_JUMP " (since Linux 4.2)" .\" commit c9fdfa14c3792c0160849c484e83aa57afd80ccc Indirect jumps.
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| From | "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com> |
|---|---|
| Date | 2016-10-22 12:00 +0200 |
| Subject | Re: [patch] perf_event_open.2: add PERF_SAMPLE_BRANCH_CALL branch sample type |
| Message-ID | <sv1fP-1I3-13@gated-at.bofh.it> |
| In reply to | #1506282 |
Hi Vince, On 10/21/2016 10:55 PM, Vince Weaver wrote: > > Linux 4.4 (c229bf9dc179d2023e185c0f705bdf68484c1e73) added > the PERF_SAMPLE_BRANCH_CALL branch sample type, which confusingly > is a direct-call only subset of what PERF_SAMPLE_BRANCH_ANY_CALL > provides. Thanks. Applied. Cheers, Michael > Signed-off-by: Vince Weaver <vincent.weaver@maine.edu> > > diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2 > index fade28c..8d985b3 100644 > --- a/man2/perf_event_open.2 > +++ b/man2/perf_event_open.2 > @@ -1256,14 +1256,18 @@ following bits must be set. > Any branch type. > .TP > .B PERF_SAMPLE_BRANCH_ANY_CALL > -Any call branch. > -.TP > -.B PERF_SAMPLE_BRANCH_ANY_RETURN > -Any return branch. > +Any call branch (includes direct calls, indirect calls, and far jumps). > .TP > .B PERF_SAMPLE_BRANCH_IND_CALL > Indirect calls. > .TP > +.BR PERF_SAMPLE_BRANCH_CALL " (since Linux 4.4)" > +.\" commit c229bf9dc179d2023e185c0f705bdf68484c1e73 > +Direct calls. > +.TP > +.B PERF_SAMPLE_BRANCH_ANY_RETURN > +Any return branch. > +.TP > .BR PERF_SAMPLE_BRANCH_IND_JUMP " (since Linux 4.2)" > .\" commit c9fdfa14c3792c0160849c484e83aa57afd80ccc > Indirect jumps. > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/
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