Steven Rostedt
6adaad14d7
tracing: stop comm recording on tracing off ...
Impact: fix for losing comms in trace
The command lines of tasks are cached at sched switch to not need
to record them at every trace point. Disabling the tracing on stops
the recording of traces, but does not stop the caching of command lines.
When the tracing is off the cache may overflow and cause the tracing
to show incorrect tasks matching the PIDs.
This patch disables prevents updates to the comm cache when the ring buffer
is off.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
2009-03-16 23:31:15 -04:00
tracing: protect reader of cmdline output
2009-03-16 23:27:06 -04:00
tracing: use generic __stringify
2009-03-10 00:35:05 -04:00
tracing/ftrace: fix the check on nopped sites
2009-03-16 22:15:36 -04:00
tracing/ftrace: syscall tracing infrastructure, basics
2009-03-13 06:25:43 +01:00
tracing: Introduce trace_buffer_{lock_reserve,unlock_commit}
2009-02-06 01:01:41 +01:00
tracing/ftrace: syscall tracing infrastructure, basics
2009-03-13 06:25:43 +01:00
ring-buffer: document reader page design
2009-03-12 22:24:17 -04:00
tracing: stop comm recording on tracing off
2009-03-16 23:31:15 -04:00
tracing: protect reader of cmdline output
2009-03-16 23:27:06 -04:00
tracing: Introduce trace_buffer_{lock_reserve,unlock_commit}
2009-02-06 01:01:41 +01:00
tracing: remove funky whitespace in the trace code
2009-03-10 14:13:14 -04:00
trace_clock: fix preemption bug
2009-03-10 20:03:01 +01:00
tracing: make bprint event use the proper event id
2009-03-12 21:15:00 -04:00
tracing: have event_trace_printk use static tracer
2009-03-12 21:15:00 -04:00
tracing: update comments to match event code macros
2009-03-10 13:12:58 -04:00
tracing: show event name in trace for TRACE_EVENT created events
2009-03-12 22:00:19 -04:00
tracing: remove funky whitespace in the trace code
2009-03-10 14:13:14 -04:00
tracing: remove funky whitespace in the trace code
2009-03-10 14:13:14 -04:00
tracing/core: use appropriate waiting on trace_pipe
2009-02-18 01:40:20 +01:00
tracing: protect reader of cmdline output
2009-03-16 23:27:06 -04:00
tracing/hw-branch-tracing: convert bts-tracer mutex to a spinlock
2009-02-25 09:16:01 +01:00
tracing: have latency tracers set the latency format
2009-03-04 22:15:30 -05:00
tracing/core: bring back raw trace_printk for dynamic formats strings
2009-03-12 21:15:00 -04:00
trace: Call tracing_reset_online_cpus before tracer->init()
2009-02-06 01:01:41 +01:00
tracing: protect reader of cmdline output
2009-03-16 23:27:06 -04:00
tracing/core: drop the old trace_printk() implementation in favour of trace_bprintk()
2009-03-06 17:59:12 +01:00
tracing: convert c/p state power tracer to use tracepoints
2009-02-13 09:06:18 -05:00
tracing: export trace formats to user space
2009-03-12 21:15:01 -04:00
tracing/core: use appropriate waiting on trace_pipe
2009-02-18 01:40:20 +01:00
tracing: have latency tracers set the latency format
2009-03-04 22:15:30 -05:00
tracing: use generic __stringify
2009-03-10 00:35:05 -04:00
ftrace: fix dynamic ftrace selftest
2008-05-23 21:13:23 +02:00
tracing: left align location header in stack_trace
2009-03-13 00:00:58 -04:00
tracing: fix typing mistake in hint message and comments
2009-02-17 12:38:24 -05:00
tracing/ftrace: separate events tracing and stats tracing engine
2009-01-14 12:11:37 +01:00
tracing/ftrace: syscall tracing infrastructure, basics
2009-03-13 06:25:43 +01:00
tracing: make all file_operations const
2009-03-05 21:46:40 -05:00
tracing: Don't use tracing_record_cmdline() in workqueue tracer fix
2009-03-12 21:23:47 -04:00
6adaad14d7