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perf tools: Remove const from thread read accessors
The namespaces and comm fields of a thread are protected by rwsem and require write access for it. So it ended up using a cast to remove the const qualifier. Let's get rid of the const then. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Suggested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Hari Bathini <hbathini@linux.vnet.ibm.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Krister Johansen <kjlx@templeofstupid.com> Link: http://lkml.kernel.org/r/20190527061149.168640-1-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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parent
a0c0a4ac02
commit
7cb10a08df
3 changed files with 9 additions and 9 deletions
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@ -2561,7 +2561,7 @@ int __hists__scnprintf_title(struct hists *hists, char *bf, size_t size, bool sh
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char unit;
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int printed;
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const struct dso *dso = hists->dso_filter;
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const struct thread *thread = hists->thread_filter;
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struct thread *thread = hists->thread_filter;
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int socket_id = hists->socket_filter;
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unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
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u64 nr_events = hists->stats.total_period;
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@ -141,13 +141,13 @@ static struct namespaces *__thread__namespaces(const struct thread *thread)
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return list_first_entry(&thread->namespaces_list, struct namespaces, list);
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}
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struct namespaces *thread__namespaces(const struct thread *thread)
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struct namespaces *thread__namespaces(struct thread *thread)
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{
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struct namespaces *ns;
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down_read((struct rw_semaphore *)&thread->namespaces_lock);
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down_read(&thread->namespaces_lock);
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ns = __thread__namespaces(thread);
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up_read((struct rw_semaphore *)&thread->namespaces_lock);
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up_read(&thread->namespaces_lock);
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return ns;
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}
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@ -271,13 +271,13 @@ static const char *__thread__comm_str(const struct thread *thread)
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return comm__str(comm);
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}
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const char *thread__comm_str(const struct thread *thread)
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const char *thread__comm_str(struct thread *thread)
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{
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const char *str;
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down_read((struct rw_semaphore *)&thread->comm_lock);
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down_read(&thread->comm_lock);
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str = __thread__comm_str(thread);
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up_read((struct rw_semaphore *)&thread->comm_lock);
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up_read(&thread->comm_lock);
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return str;
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}
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@ -76,7 +76,7 @@ static inline void thread__exited(struct thread *thread)
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thread->dead = true;
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}
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struct namespaces *thread__namespaces(const struct thread *thread);
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struct namespaces *thread__namespaces(struct thread *thread);
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int thread__set_namespaces(struct thread *thread, u64 timestamp,
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struct namespaces_event *event);
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@ -93,7 +93,7 @@ int thread__set_comm_from_proc(struct thread *thread);
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int thread__comm_len(struct thread *thread);
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struct comm *thread__comm(const struct thread *thread);
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struct comm *thread__exec_comm(const struct thread *thread);
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const char *thread__comm_str(const struct thread *thread);
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const char *thread__comm_str(struct thread *thread);
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int thread__insert_map(struct thread *thread, struct map *map);
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int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp, bool do_maps_clone);
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size_t thread__fprintf(struct thread *thread, FILE *fp);
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