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perf namespaces: Add functions to access nsinfo

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Having functions to access nsinfo reduces the places where reference
counting checking needs to be added.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: André Almeida <andrealmeid@collabora.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Dmitriy Vyukov <dvyukov@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Hao Luo <haoluo@google.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Miaoqian Lin <linmq006@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Shunsuke Nakamura <nakamura.shun@fujitsu.com>
Cc: Song Liu <song@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Stephen Brennan <stephen.s.brennan@oracle.com>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Yury Norov <yury.norov@gmail.com>
Link: http://lore.kernel.org/lkml/20220211103415.2737789-14-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers
2022-02-11 02:34:06 -08:00
committed by Arnaldo Carvalho de Melo
parent b80675fabe
commit bcaf0a9785
8 changed files with 63 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
tools/perf/util/jitdump.c
View File

@ -382,15 +382,15 @@ jit_inject_event(struct jit_buf_desc *jd, union perf_event *event)
static pid_t jr_entry_pid(struct jit_buf_desc *jd, union jr_entry *jr)
{
if (jd->nsi && jd->nsi->in_pidns)
return jd->nsi->tgid;
if (jd->nsi && nsinfo__in_pidns(jd->nsi))
return nsinfo__tgid(jd->nsi);
return jr->load.pid;
}
static pid_t jr_entry_tid(struct jit_buf_desc *jd, union jr_entry *jr)
{
if (jd->nsi && jd->nsi->in_pidns)
return jd->nsi->pid;
if (jd->nsi && nsinfo__in_pidns(jd->nsi))
return nsinfo__pid(jd->nsi);
return jr->load.tid;
}
@ -779,7 +779,7 @@ jit_detect(char *mmap_name, pid_t pid, struct nsinfo *nsi)
* pid does not match mmap pid
* pid==0 in system-wide mode (synthesized)
*/
if (pid && pid2 != nsi->nstgid)
if (pid && pid2 != nsinfo__nstgid(nsi))
return -1;
/*
* validate suffix