Messages in this thread | | | Subject | Re: [PATCH v7 0/8] perf: add support for analyzing events for containers | From | Hari Bathini <> | Date | Wed, 22 Feb 2017 18:10:28 +0530 |
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Hi Jirka,
On Wednesday 22 February 2017 04:41 PM, Jiri Olsa wrote: > On Tue, Feb 21, 2017 at 07:31:11PM +0530, Hari Bathini wrote: >> Currently, there is no trivial mechanism to analyze events based on >> containers. perf -G can be used, but it will not filter events for the >> containers created after perf is invoked, making it difficult to assess/ >> analyze performance issues of multiple containers at once. >> >> This patch-set is aimed at addressing this limitation by introducing a >> new PERF_RECORD_NAMESPACES event that records namespaces related info. >> As containers are created with namespaces, the new data can be used to >> in assessment/analysis of multiple containers. >> >> The first patch introduces PERF_RECORD_NAMESPACES in kernel while the >> second patch makes the corresponding changes in perf tool to read this >> PERF_RECORD_NAMESPACES events. The third patch demonstrates analysis >> of containers with this data by adding a cgroup identifier column in >> perf report, which contains the cgroup namespace's device and inode >> numbers. This is based on the assumption that each container is created >> with it's own cgroup namespace. The third patch has scope for improvement >> based on the conventions a container is attributed with, going forward. >> >> Changes from v6: >> * Updated changelog of patch 1 >> * Split patch 2 into smaller patches >> * Updated record and script documenatation >> * Dropped name field from ns_link_info struct > what's this version based on? I can't cleanly apply it neither > on tip's perf/core or master or Arnaldo's perf/core
That's odd. I based my patches against tip's perf/core To be precise, the patches apply cleanly on top of commit 0c8967c9df230d2c4dde6649f410b62e01806c22.
Thanks Hari
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