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author | Krister Johansen <kjlx@templeofstupid.com> | 2017-07-05 18:48:12 -0700 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-07-25 22:43:16 -0300 |
commit | 868a832918f621b7576655c00067f20326ef3931 (patch) | |
tree | 22b346df9980f3de063735e3a5087b2f9a86539a /tools/perf/Documentation | |
parent | 2b04e0f88291c0dc7e12459bd3c3661d42209b4e (diff) | |
download | op-kernel-dev-868a832918f621b7576655c00067f20326ef3931.zip op-kernel-dev-868a832918f621b7576655c00067f20326ef3931.tar.gz |
perf top: Support lookup of symbols in other mount namespaces.
The perf top command needs to unshare its fs from the helper threads in
order to successfully setns(2) during its symbol lookup. It also needs
to impelement a force flag to ignore ownership of perf-<pid>.map files.
Signed-off-by: Krister Johansen <kjlx@templeofstupid.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas-Mich Richter <tmricht@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/1499305693-1599-6-git-send-email-kjlx@templeofstupid.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation')
-rw-r--r-- | tools/perf/Documentation/perf-top.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt index e71d638..d864ea6 100644 --- a/tools/perf/Documentation/perf-top.txt +++ b/tools/perf/Documentation/perf-top.txt @@ -237,6 +237,10 @@ Default is to monitor all CPUS. --hierarchy:: Enable hierarchy output. +--force:: + Don't do ownership validation. + + INTERACTIVE PROMPTING KEYS -------------------------- |