perf-lock(1) ============ NAME ---- perf-lock - Analyze lock events SYNOPSIS -------- [verse] 'perf lock' {record|report|script|info} DESCRIPTION ----------- You can analyze various lock behaviours and statistics with this 'perf lock' command. 'perf lock record ' records lock events between start and end . And this command produces the file "perf.data" which contains tracing results of lock events. 'perf lock report' reports statistical data. 'perf lock script' shows raw lock events. 'perf lock info' shows metadata like threads or addresses of lock instances. COMMON OPTIONS -------------- -i:: --input=:: Input file name. (default: perf.data unless stdin is a fifo) -v:: --verbose:: Be more verbose (show symbol address, etc). -D:: --dump-raw-trace:: Dump raw trace in ASCII. REPORT OPTIONS -------------- -k:: --key=:: Sorting key. Possible values: acquired (default), contended, avg_wait, wait_total, wait_max, wait_min. INFO OPTIONS ------------ -t:: --threads:: dump thread list in perf.data -m:: --map:: dump map of lock instances (address:name table) SEE ALSO -------- linkperf:perf[1] -loop-back net-next plumbingsTobias Klauser
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAntti Palosaari <crope@iki.fi>2016-11-30 22:08:27 -0200
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-12-01 12:47:22 -0200
commit365fe4e0ce218dc5ad10df17b150a366b6015499 (patch)
treea9cc35f540430c453d67538b3410cded15fedb4b
parentd930b5b5bf122a61952cfebabb1e618682a2631a (diff)
[media] mn88472: fix chip id check on probe
A register used to identify chip during probe was overwritten during firmware download and due to that later probe's for warm chip were failing. Detect chip from the another register, which is located on different register bank 2. Fixes: 94d0eaa41987 ("[media] mn88472: move out of staging to media") Cc: <stable@vger.kernel.org> # v4.8+ Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>