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d1277aa36b
Each cgroup is kept in the perf_env's cgroup_tree sorted by the cgroup id. Hist entries have cgroup id can compare it directly and later it can be used to find a group name using this tree. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20200325124536.2800725-5-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
39 lines
924 B
C
39 lines
924 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __CGROUP_H__
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#define __CGROUP_H__
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#include <linux/refcount.h>
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#include <linux/rbtree.h>
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#include "util/env.h"
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struct option;
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struct cgroup {
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struct rb_node node;
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u64 id;
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char *name;
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int fd;
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refcount_t refcnt;
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};
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extern int nr_cgroups; /* number of explicit cgroups defined */
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struct cgroup *cgroup__get(struct cgroup *cgroup);
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void cgroup__put(struct cgroup *cgroup);
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struct evlist;
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struct cgroup *evlist__findnew_cgroup(struct evlist *evlist, const char *name);
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void evlist__set_default_cgroup(struct evlist *evlist, struct cgroup *cgroup);
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int parse_cgroups(const struct option *opt, const char *str, int unset);
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struct cgroup *cgroup__findnew(struct perf_env *env, uint64_t id,
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const char *path);
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struct cgroup *cgroup__find(struct perf_env *env, uint64_t id);
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void perf_env__purge_cgroups(struct perf_env *env);
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#endif /* __CGROUP_H__ */
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