A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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android_kernel_motorola_sm6375/kernel/trace
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Repository files (latest commit first)
Filename Latest commit message Latest commit date
Li Zefan 18cea4591a blktrace: print out BLK_TN_MESSAGE properly 
Impact: improve ftrace plugin output

Before this patch:

 # cat trace
         make-5383  [001]   741.240059:   8,7    P   N [make]
 __trace_note_message: cfq1074

 # echo 1 > options/blk_classic
 # cat trace
   8,7    1     0.692221252     0  C   W 130411392 + 1024 [0]
 Bad pc action 6361
 Bad pc action 283d

 # echo 0 > options/blk_classic
 # echo bin > trace_options
 # cat trace_pipe | blkparse -i -
 (can't parse messages generated by blk_add_trace_msg())

After this patch:
 # cat trace
      <idle>-0     [001]   187.600933:   8,7    C   W 145220224 + 8 [0]
      <idle>-0     [001]   187.600946:   8,7    m   N cfq1076 complete

 # echo 1 > options/blk_classic
 # cat trace
   8,7    1     0.256378996   238  I   W 113190728 + 8 [pdflush]
   8,7    1     0.256378998   238  m   N cfq1076 insert_request

 # echo 0 > options/blk_classic
 # echo bin > trace_options
 # cat trace_pipe | blkparse -i -
  8,7    1        0    22.973250293     0  C   W 102770576 + 8 [0]
  8,7    1        0    22.973259213     0  m   N cfq1076 complete

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-31 17:29:11 +02:00
..
blktrace.c blktrace: print out BLK_TN_MESSAGE properly 2009-03-31 17:29:11 +02:00
events.c tracing: use generic __stringify 2009-03-10 00:35:05 -04:00
ftrace.c tracing/ftrace: fix the check on nopped sites 2009-03-16 22:15:36 -04:00
Kconfig tracing/syscalls: select kallsysms 2009-03-16 09:13:17 +01:00
kmemtrace.c
Makefile tracing/ftrace: syscall tracing infrastructure, basics 2009-03-13 06:25:43 +01:00
ring_buffer.c tracing/ring-buffer: fix non cpu hotplug case 2009-03-19 16:41:08 +01:00
trace.c Merge branches 'tracing/ftrace', 'tracing/kprobes', 'tracing/tasks' and 'linus' into tracing/core 2009-03-20 10:14:53 +01:00
trace.h Merge branch 'tip/tracing/ftrace' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into tracing/ftrace 2009-03-18 06:59:56 +01:00
trace_boot.c
trace_branch.c tracing: remove funky whitespace in the trace code 2009-03-10 14:13:14 -04:00
trace_clock.c trace_clock: fix preemption bug 2009-03-10 20:03:01 +01:00
trace_event_types.h tracing: make bprint event use the proper event id 2009-03-12 21:15:00 -04:00
trace_events.c tracing: fix leak in event_format_read() 2009-03-17 08:38:23 +01:00
trace_events_stage_1.h tracing: update comments to match event code macros 2009-03-10 13:12:58 -04:00
trace_events_stage_2.h tracing: show event name in trace for TRACE_EVENT created events 2009-03-12 22:00:19 -04:00
trace_events_stage_3.h tracing: remove funky whitespace in the trace code 2009-03-10 14:13:14 -04:00
trace_export.c tracing: remove funky whitespace in the trace code 2009-03-10 14:13:14 -04:00
trace_functions.c
trace_functions_graph.c tracing: protect reader of cmdline output 2009-03-16 23:27:06 -04:00
trace_hw_branches.c
trace_irqsoff.c tracing: have latency tracers set the latency format 2009-03-04 22:15:30 -05:00
trace_mmiotrace.c tracing/core: bring back raw trace_printk for dynamic formats strings 2009-03-12 21:15:00 -04:00
trace_nop.c
trace_output.c tracing: protect reader of cmdline output 2009-03-16 23:27:06 -04:00
trace_output.h tracing/core: drop the old trace_printk() implementation in favour of trace_bprintk() 2009-03-06 17:59:12 +01:00
trace_power.c tracing: make power tracer start/stop methods lighter weight 2009-03-17 23:12:11 -04:00
trace_printk.c tracing: export trace formats to user space 2009-03-12 21:15:01 -04:00
trace_sched_switch.c tracing: make sched_switch stop/start light weight 2009-03-17 23:10:45 -04:00
trace_sched_wakeup.c tracing: have latency tracers set the latency format 2009-03-04 22:15:30 -05:00
trace_selftest.c tracing/ftrace: stop {irqs, preempt}soff tracers when tracing is stopped 2009-03-18 10:12:38 +01:00
trace_selftest_dynamic.c
trace_stack.c tracing: left align location header in stack_trace 2009-03-13 00:00:58 -04:00
trace_stat.c
trace_stat.h
trace_syscalls.c tracing/syscalls: protect thread flag toggling from races 2009-03-16 09:13:16 +01:00
trace_sysprof.c tracing: make all file_operations const 2009-03-05 21:46:40 -05:00
trace_workqueue.c tracing: Don't use tracing_record_cmdline() in workqueue tracer fix 2009-03-12 21:23:47 -04:00