lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 30 Aug 2018 14:45:31 -0400 From: Steven Rostedt <rostedt@...dmis.org> To: acme@...nel.org Cc: Ravi Bangoria <ravi.bangoria@...ux.ibm.com>, srikar@...ux.vnet.ibm.com, oleg@...hat.com, mhiramat@...nel.org, liu.song.a23@...il.com, peterz@...radead.org, mingo@...hat.com, alexander.shishkin@...ux.intel.com, jolsa@...hat.com, namhyung@...nel.org, linux-kernel@...r.kernel.org, ananth@...ux.vnet.ibm.com, alexis.berlemont@...il.com, naveen.n.rao@...ux.vnet.ibm.com, linux-arm-kernel@...ts.infradead.org, linux-mips@...ux-mips.org, linux@...linux.org.uk, ralf@...ux-mips.org, paul.burton@...s.com Subject: Re: [PATCH v9 4/4] perf probe: Support SDT markers having reference counter (semaphore) Arnaldo, I'm going to be playing with some of the probe code which may conflict with these patches, so I would like to pull these in my tree. But this patch requires an Acked-by from you before I can pull it in. You OK with this? Thanks! -- Steve On Mon, 20 Aug 2018 10:12:50 +0530 Ravi Bangoria <ravi.bangoria@...ux.ibm.com> wrote: > With this, perf buildid-cache will save SDT markers with reference > counter in probe cache. Perf probe will be able to probe markers > having reference counter. Ex, > > # readelf -n /tmp/tick | grep -A1 loop2 > Name: loop2 > ... Semaphore: 0x0000000010020036 > > # ./perf buildid-cache --add /tmp/tick > # ./perf probe sdt_tick:loop2 > # ./perf stat -e sdt_tick:loop2 /tmp/tick > hi: 0 > hi: 1 > hi: 2 > ^C > Performance counter stats for '/tmp/tick': > 3 sdt_tick:loop2 > 2.561851452 seconds time elapsed > > Signed-off-by: Ravi Bangoria <ravi.bangoria@...ux.ibm.com> > Acked-by: Masami Hiramatsu <mhiramat@...nel.org> > Acked-by: Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Powered by blists - more mailing lists