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 linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Tue, 10 Mar 2020 19:31:38 +0100 From: Jiri Olsa <jolsa@...hat.com> To: Arnaldo Carvalho de Melo <arnaldo.melo@...il.com> Cc: Kajol Jain <kjain@...ux.ibm.com>, linuxppc-dev@...ts.ozlabs.org, mpe@...erman.id.au, sukadev@...ux.vnet.ibm.com, linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org, anju@...ux.vnet.ibm.com, maddy@...ux.vnet.ibm.com, ravi.bangoria@...ux.ibm.com, peterz@...radead.org, yao.jin@...ux.intel.com, ak@...ux.intel.com, jolsa@...nel.org, kan.liang@...ux.intel.com, jmario@...hat.com, alexander.shishkin@...ux.intel.com, mingo@...nel.org, paulus@...abs.org, namhyung@...nel.org, mpetlan@...hat.com, gregkh@...uxfoundation.org, benh@...nel.crashing.org, mamatha4@...ux.vnet.ibm.com, mark.rutland@....com, tglx@...utronix.de Subject: Re: [PATCH v4 0/8] powerpc/perf: Add json file metric support for the hv_24x7 socket/chip level events On Tue, Mar 10, 2020 at 03:18:36PM -0300, Arnaldo Carvalho de Melo wrote: > Em Mon, Mar 09, 2020 at 10:35:06AM +0100, Jiri Olsa escreveu: > > On Mon, Mar 09, 2020 at 11:55:44AM +0530, Kajol Jain wrote: > > > First patch of the patchset fix inconsistent results we are getting when > > > we run multiple 24x7 events. > > > > > > Patchset adds json file metric support for the hv_24x7 socket/chip level > > > events. "hv_24x7" pmu interface events needs system dependent parameter > > > like socket/chip/core. For example, hv_24x7 chip level events needs > > > specific chip-id to which the data is requested should be added as part > > > of pmu events. > > > > > > So to enable JSON file support to "hv_24x7" interface, patchset expose > > > total number of sockets and chips per-socket details in sysfs > > > files (sockets, chips) under "/sys/devices/hv_24x7/interface/". > > > > > > To get sockets and number of chips per sockets, patchset adds a rtas call > > > with token "PROCESSOR_MODULE_INFO" to get these details. Patchset also > > > handles partition migration case to re-init these system depended > > > parameters by adding proper calls in post_mobility_fixup() (mobility.c). > > > > > > Patch 6 & 8 of the patchset handles perf tool plumbing needed to replace > > > the "?" character in the metric expression to proper value and hv_24x7 > > > json metric file for different Socket/chip resources. > > > > > > Patch set also enable Hz/hz prinitg for --metric-only option to print > > > metric data for bus frequency. > > > > > > Applied and tested all these patches cleanly on top of jiri's flex changes > > > with the changes done by Kan Liang for "Support metric group constraint" > > > patchset and made required changes. > > > > > > Changelog: > > > v3 -> v4 > > > - Made changes suggested by jiri. > > > > could you please mention them next time? ;-) > > > > > - Apply these patch on top of Kan liang changes. > > > > Arnaldo, could you please pull the expr flex changes and Kan's > > metric group constraint changes? it's both prereq of this patchset > > Both are now in my perf/core branch, will go upstream soon, should I go > and pickup the perf tooling bits in this patchkit? Kajol mentioned there are still some issues with the global variable, I plan to check on it this week thanks, jirka
Powered by blists - more mailing lists