| From | David Carrillo-Cisneros <> | Subject | [PATCH v3 18/46] perf/core: add arch_info field to struct perf_cgroup | Date | Sat, 29 Oct 2016 17:38:15 -0700 |
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This is the first patch for cgroup support in this series.
Adds a new field to perf_cgroup that is used by intel_cmt pmu to associate a monr with a perf_cgroup instance.
Signed-off-by: David Carrillo-Cisneros <davidcc@google.com> --- include/linux/perf_event.h | 4 +++- kernel/events/core.c | 2 ++ 2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 0202b32..406119b 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -815,7 +815,9 @@ struct perf_cgroup_info { }; struct perf_cgroup { - struct cgroup_subsys_state css; + /* Architecture specific information. */ + void *arch_info; + struct cgroup_subsys_state css; struct perf_cgroup_info __percpu *info; }; diff --git a/kernel/events/core.c b/kernel/events/core.c index d99a51c..0de3ca5 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -10739,6 +10739,8 @@ perf_cgroup_css_alloc(struct cgroup_subsys_state *parent_css) return ERR_PTR(-ENOMEM); } + jc->arch_info = NULL; + return &jc->css; } -- 2.8.0.rc3.226.g39d4020
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