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| author | Adrian Hunter <adrian.hunter@intel.com> | 2021-02-18 11:57:56 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-02-18 16:14:33 -0300 |
| commit | 3035cb6cbd2d62a764fa451ed9534eafdd0b446c (patch) | |
| tree | 4b7fc4f6d8eee83223cd9214909d6bab7d422459 /tools/perf/util/machine.h | |
| parent | fcda5ff711d9ddb7a92fff38b2cc153be8123c0e (diff) | |
| download | lwn-3035cb6cbd2d62a764fa451ed9534eafdd0b446c.tar.gz lwn-3035cb6cbd2d62a764fa451ed9534eafdd0b446c.zip | |
perf machine: Factor out machine__idle_thread()
Factor out machine__idle_thread() so it can be re-used for guest machines.
A thread is needed to find executable code, even for the guest kernel. To
avoid possible future pid number conflicts, the idle thread can be used.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20210218095801.19576-7-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/machine.h')
| -rw-r--r-- | tools/perf/util/machine.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h index 022c19ecd287..7377ed6efdf1 100644 --- a/tools/perf/util/machine.h +++ b/tools/perf/util/machine.h @@ -106,6 +106,7 @@ u8 machine__addr_cpumode(struct machine *machine, u8 cpumode, u64 addr); struct thread *machine__find_thread(struct machine *machine, pid_t pid, pid_t tid); +struct thread *machine__idle_thread(struct machine *machine); struct comm *machine__thread_exec_comm(struct machine *machine, struct thread *thread); |