* [PATCH] man/man2/perf_event_open.2: ffix @ 2026-04-29 17:35 Schneider, Robert 2026-05-03 21:00 ` Alejandro Colomar 0 siblings, 1 reply; 4+ messages in thread From: Schneider, Robert @ 2026-04-29 17:35 UTC (permalink / raw) To: Alejandro Colomar; +Cc: linux-man@vger.kernel.org Fixes .TP list for PERF_SAMPLE_BRANCH_CALL_STACK. Signed-off-by: Robert Schneider <robert.schneider03@sap.com> --- man/man2/perf_event_open.2 | 1 + 1 file changed, 1 insertion(+) diff --git a/man/man2/perf_event_open.2 b/man/man2/perf_event_open.2 index df0a199e..ae588451 100644 --- a/man/man2/perf_event_open.2 +++ b/man/man2/perf_event_open.2 @@ -1547,6 +1547,7 @@ .SS Arguments .BR PERF_SAMPLE_BRANCH_NO_TX " (since Linux 3.11)" .\" commit 135c5612c460f89657c4698fe2ea753f6f667963 Branch not in transactional memory transaction. +.TP .BR PERF_SAMPLE_BRANCH_CALL_STACK " (since Linux 4.1)" .\" commit 2c44b1936bb3b135a3fac8b3493394d42e51cf70 Branch is part of a hardware-generated call stack. Range-diff against v0: -: -------- > 1: d597dc98 man/man2/perf_event_open.2: ffix -- 2.51.0 ^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] man/man2/perf_event_open.2: ffix 2026-04-29 17:35 [PATCH] man/man2/perf_event_open.2: ffix Schneider, Robert @ 2026-05-03 21:00 ` Alejandro Colomar 2026-05-04 10:57 ` [PATCH v1] " Schneider, Robert 0 siblings, 1 reply; 4+ messages in thread From: Alejandro Colomar @ 2026-05-03 21:00 UTC (permalink / raw) To: Schneider, Robert; +Cc: linux-man@vger.kernel.org [-- Attachment #1: Type: text/plain, Size: 1265 bytes --] Hi Robert, On 2026-04-29T17:35:30+0000, Schneider, Robert wrote: > Fixes .TP list for PERF_SAMPLE_BRANCH_CALL_STACK. > > Signed-off-by: Robert Schneider <robert.schneider03@sap.com> Would you mind adding a 'Fixes:' tag? See <https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING.d/patches/trailer#n16> and <https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING.d/git#n46>. Have a lovely night! Alex > --- > man/man2/perf_event_open.2 | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/man/man2/perf_event_open.2 b/man/man2/perf_event_open.2 > index df0a199e..ae588451 100644 > --- a/man/man2/perf_event_open.2 > +++ b/man/man2/perf_event_open.2 > @@ -1547,6 +1547,7 @@ .SS Arguments > .BR PERF_SAMPLE_BRANCH_NO_TX " (since Linux 3.11)" > .\" commit 135c5612c460f89657c4698fe2ea753f6f667963 > Branch not in transactional memory transaction. > +.TP > .BR PERF_SAMPLE_BRANCH_CALL_STACK " (since Linux 4.1)" > .\" commit 2c44b1936bb3b135a3fac8b3493394d42e51cf70 > Branch is part of a hardware-generated call stack. > > Range-diff against v0: > -: -------- > 1: d597dc98 man/man2/perf_event_open.2: ffix > -- > 2.51.0 -- <https://www.alejandro-colomar.es> [-- Attachment #2: signature.asc --] [-- Type: application/pgp-signature, Size: 833 bytes --] ^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH v1] man/man2/perf_event_open.2: ffix 2026-05-03 21:00 ` Alejandro Colomar @ 2026-05-04 10:57 ` Schneider, Robert 2026-05-04 12:42 ` Alejandro Colomar 0 siblings, 1 reply; 4+ messages in thread From: Schneider, Robert @ 2026-05-04 10:57 UTC (permalink / raw) To: Alejandro Colomar; +Cc: linux-man@vger.kernel.org Hi Alex, Thanks for your hints and links! And for being kind even though you have everything documented 😊 I broke my machine so I had to reconfigure git etc., I hope that I did not forget anything. Robert --------- Fixes .TP list for PERF_SAMPLE_BRANCH_CALL_STACK. Fixes: bb7e6ff0 (2015-07-23; "perf_event_open.2: 4.1 PERF_SAMPLE_BRANCH_CALL_STACK") Signed-off-by: Robert Schneider <robert.schneider03@sap.com> --- man/man2/perf_event_open.2 | 1 + 1 file changed, 1 insertion(+) diff --git a/man/man2/perf_event_open.2 b/man/man2/perf_event_open.2 index df0a199e..ae588451 100644 --- a/man/man2/perf_event_open.2 +++ b/man/man2/perf_event_open.2 @@ -1547,6 +1547,7 @@ .SS Arguments .BR PERF_SAMPLE_BRANCH_NO_TX " (since Linux 3.11)" .\" commit 135c5612c460f89657c4698fe2ea753f6f667963 Branch not in transactional memory transaction. +.TP .BR PERF_SAMPLE_BRANCH_CALL_STACK " (since Linux 4.1)" .\" commit 2c44b1936bb3b135a3fac8b3493394d42e51cf70 Branch is part of a hardware-generated call stack. -- 2.43.0 Robert Schneider (1): man/man2/perf_event_open.2: ffix man/man2/perf_event_open.2 | 1 + 1 file changed, 1 insertion(+) Range-diff against v1: 1: bc30096a ! 1: f2c247d1 [PATCH] man/man2/perf_event_open.2: ffix @@ Metadata Author: Robert Schneider <robert.schneider03@sap.com> ## Commit message ## - [PATCH] man/man2/perf_event_open.2: ffix + [PATCH v1] man/man2/perf_event_open.2: ffix Fixes .TP list for PERF_SAMPLE_BRANCH_CALL_STACK. + Fixes: bb7e6ff0 (2015-07-23; "perf_event_open.2: 4.1 PERF_SAMPLE_BRANCH_CALL_STACK") Signed-off-by: Robert Schneider <robert.schneider03@sap.com> ## man/man2/perf_event_open.2 ## -- 2.43.0 -----Original Message----- From: Alejandro Colomar <alx@kernel.org> Sent: Sunday, 3 May 2026 23:01 To: Schneider, Robert <robert.schneider03@sap.com> Cc: linux-man@vger.kernel.org Subject: Re: [PATCH] man/man2/perf_event_open.2: ffix Hi Robert, On 2026-04-29T17:35:30+0000, Schneider, Robert wrote: > Fixes .TP list for PERF_SAMPLE_BRANCH_CALL_STACK. > > Signed-off-by: Robert Schneider <robert.schneider03@sap.com> Would you mind adding a 'Fixes:' tag? See <https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING.d/patches/trailer#n16> and <https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING.d/git#n46>. Have a lovely night! Alex > --- > man/man2/perf_event_open.2 | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/man/man2/perf_event_open.2 b/man/man2/perf_event_open.2 > index df0a199e..ae588451 100644 > --- a/man/man2/perf_event_open.2 > +++ b/man/man2/perf_event_open.2 > @@ -1547,6 +1547,7 @@ .SS Arguments > .BR PERF_SAMPLE_BRANCH_NO_TX " (since Linux 3.11)" > .\" commit 135c5612c460f89657c4698fe2ea753f6f667963 > Branch not in transactional memory transaction. > +.TP > .BR PERF_SAMPLE_BRANCH_CALL_STACK " (since Linux 4.1)" > .\" commit 2c44b1936bb3b135a3fac8b3493394d42e51cf70 > Branch is part of a hardware-generated call stack. > > Range-diff against v0: > -: -------- > 1: d597dc98 man/man2/perf_event_open.2: ffix > -- > 2.51.0 -- <https://www.alejandro-colomar.es> ^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH v1] man/man2/perf_event_open.2: ffix 2026-05-04 10:57 ` [PATCH v1] " Schneider, Robert @ 2026-05-04 12:42 ` Alejandro Colomar 0 siblings, 0 replies; 4+ messages in thread From: Alejandro Colomar @ 2026-05-04 12:42 UTC (permalink / raw) To: Schneider, Robert; +Cc: linux-man@vger.kernel.org [-- Attachment #1: Type: text/plain, Size: 4919 bytes --] Hi Robert, On 2026-05-04T10:57:13+0000, Schneider, Robert wrote: > Hi Alex, > > Thanks for your hints and links! And for being kind even though you have everything documented 😊 > I broke my machine so I had to reconfigure git etc., I hope that I did not forget anything. Thanks! For some reason, the patch didn't apply with git-am(1). However, it applied with git-apply(1), so I was able to handle it. > > Robert > > --------- > > Fixes .TP list for PERF_SAMPLE_BRANCH_CALL_STACK. > > Fixes: bb7e6ff0 (2015-07-23; "perf_event_open.2: 4.1 PERF_SAMPLE_BRANCH_CALL_STACK") Heh, nobody has read that documentation in a decade! :) The commit that added the documentation was obviously wrong: $ diffman-git -U5 bb7e6ff0 --- bb7e6ff0^:man2/perf_event_open.2 +++ bb7e6ff0:man2/perf_event_open.2 @@ -773,11 +773,14 @@ DESCRIPTION PERF_SAMPLE_BRANCH_IN_TX (since Linux 3.11) Branch in transactional memory transaction. PERF_SAMPLE_BRANCH_NO_TX (since Linux 3.11) - Branch not in transactional memory transaction. + Branch not in transactional memory transaction. PERF_SAM‐ + PLE_BRANCH_CALL_STACK (since Linux 4.1) Branch is part of a hardware + generated call stack. This requires hardware support, currently + only found on Intel x86 Haswell or newer. sample_regs_user (since Linux 3.7) This bit mask defines the set of user CPU registers to dump on samples. The layout of the register mask is architecture‐specific and described in the kernel header arch/ARCH/include/uapi/asm/perf_regs.h. > Signed-off-by: Robert Schneider <robert.schneider03@sap.com> Thanks! I've applied the patch. Have a lovely day! Alex > --- > man/man2/perf_event_open.2 | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/man/man2/perf_event_open.2 b/man/man2/perf_event_open.2 > index df0a199e..ae588451 100644 > --- a/man/man2/perf_event_open.2 > +++ b/man/man2/perf_event_open.2 > @@ -1547,6 +1547,7 @@ .SS Arguments > .BR PERF_SAMPLE_BRANCH_NO_TX " (since Linux 3.11)" > .\" commit 135c5612c460f89657c4698fe2ea753f6f667963 > Branch not in transactional memory transaction. > +.TP > .BR PERF_SAMPLE_BRANCH_CALL_STACK " (since Linux 4.1)" > .\" commit 2c44b1936bb3b135a3fac8b3493394d42e51cf70 > Branch is part of a hardware-generated call stack. > -- > 2.43.0 > > Robert Schneider (1): > man/man2/perf_event_open.2: ffix > > man/man2/perf_event_open.2 | 1 + > 1 file changed, 1 insertion(+) > > Range-diff against v1: > 1: bc30096a ! 1: f2c247d1 [PATCH] man/man2/perf_event_open.2: ffix > @@ Metadata > Author: Robert Schneider <robert.schneider03@sap.com> > > ## Commit message ## > - [PATCH] man/man2/perf_event_open.2: ffix > + [PATCH v1] man/man2/perf_event_open.2: ffix > > Fixes .TP list for PERF_SAMPLE_BRANCH_CALL_STACK. > > + Fixes: bb7e6ff0 (2015-07-23; "perf_event_open.2: 4.1 PERF_SAMPLE_BRANCH_CALL_STACK") > Signed-off-by: Robert Schneider <robert.schneider03@sap.com> > > ## man/man2/perf_event_open.2 ## > -- > 2.43.0 > > > -----Original Message----- > From: Alejandro Colomar <alx@kernel.org> > Sent: Sunday, 3 May 2026 23:01 > To: Schneider, Robert <robert.schneider03@sap.com> > Cc: linux-man@vger.kernel.org > Subject: Re: [PATCH] man/man2/perf_event_open.2: ffix > > Hi Robert, > > On 2026-04-29T17:35:30+0000, Schneider, Robert wrote: > > Fixes .TP list for PERF_SAMPLE_BRANCH_CALL_STACK. > > > > Signed-off-by: Robert Schneider <robert.schneider03@sap.com> > > Would you mind adding a 'Fixes:' tag? > > See <https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING.d/patches/trailer#n16> > and <https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING.d/git#n46>. > > > Have a lovely night! > Alex > > > --- > > man/man2/perf_event_open.2 | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/man/man2/perf_event_open.2 b/man/man2/perf_event_open.2 > > index df0a199e..ae588451 100644 > > --- a/man/man2/perf_event_open.2 > > +++ b/man/man2/perf_event_open.2 > > @@ -1547,6 +1547,7 @@ .SS Arguments > > .BR PERF_SAMPLE_BRANCH_NO_TX " (since Linux 3.11)" > > .\" commit 135c5612c460f89657c4698fe2ea753f6f667963 > > Branch not in transactional memory transaction. > > +.TP > > .BR PERF_SAMPLE_BRANCH_CALL_STACK " (since Linux 4.1)" > > .\" commit 2c44b1936bb3b135a3fac8b3493394d42e51cf70 > > Branch is part of a hardware-generated call stack. > > > > Range-diff against v0: > > -: -------- > 1: d597dc98 man/man2/perf_event_open.2: ffix > > -- > > 2.51.0 > > -- > <https://www.alejandro-colomar.es> -- <https://www.alejandro-colomar.es> [-- Attachment #2: signature.asc --] [-- Type: application/pgp-signature, Size: 833 bytes --] ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2026-05-04 12:42 UTC | newest] Thread overview: 4+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2026-04-29 17:35 [PATCH] man/man2/perf_event_open.2: ffix Schneider, Robert 2026-05-03 21:00 ` Alejandro Colomar 2026-05-04 10:57 ` [PATCH v1] " Schneider, Robert 2026-05-04 12:42 ` Alejandro Colomar
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