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author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-18 11:16:55 +1000 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-18 11:16:55 +1000 |
commit | 4b337c5f245b6587ba844ac7bb13c313a2912f7b (patch) | |
tree | 999c6a6580b76a083c8efb9dabff709d1c49fcd0 /kernel/trace/trace.c | |
parent | 492b057c426e4aa747484958e18e9da29003985d (diff) | |
parent | 3fe0344faf7fdcb158bd5c1a9aec960a8d70c8e8 (diff) | |
download | kernel-crypto-4b337c5f245b6587ba844ac7bb13c313a2912f7b.tar.gz kernel-crypto-4b337c5f245b6587ba844ac7bb13c313a2912f7b.tar.xz kernel-crypto-4b337c5f245b6587ba844ac7bb13c313a2912f7b.zip |
Merge commit 'origin/master' into next
Diffstat (limited to 'kernel/trace/trace.c')
-rw-r--r-- | kernel/trace/trace.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 8acd9b81a5d..c1878bfb2e1 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -344,7 +344,7 @@ static raw_spinlock_t ftrace_max_lock = /* * Copy the new maximum trace into the separate maximum-trace * structure. (this way the maximum trace is permanently saved, - * for later retrieval via /debugfs/tracing/latency_trace) + * for later retrieval via /sys/kernel/debug/tracing/latency_trace) */ static void __update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu) @@ -2414,21 +2414,20 @@ static const struct file_operations tracing_iter_fops = { static const char readme_msg[] = "tracing mini-HOWTO:\n\n" - "# mkdir /debug\n" - "# mount -t debugfs nodev /debug\n\n" - "# cat /debug/tracing/available_tracers\n" + "# mount -t debugfs nodev /sys/kernel/debug\n\n" + "# cat /sys/kernel/debug/tracing/available_tracers\n" "wakeup preemptirqsoff preemptoff irqsoff function sched_switch nop\n\n" - "# cat /debug/tracing/current_tracer\n" + "# cat /sys/kernel/debug/tracing/current_tracer\n" "nop\n" - "# echo sched_switch > /debug/tracing/current_tracer\n" - "# cat /debug/tracing/current_tracer\n" + "# echo sched_switch > /sys/kernel/debug/tracing/current_tracer\n" + "# cat /sys/kernel/debug/tracing/current_tracer\n" "sched_switch\n" - "# cat /debug/tracing/trace_options\n" + "# cat /sys/kernel/debug/tracing/trace_options\n" "noprint-parent nosym-offset nosym-addr noverbose\n" - "# echo print-parent > /debug/tracing/trace_options\n" - "# echo 1 > /debug/tracing/tracing_enabled\n" - "# cat /debug/tracing/trace > /tmp/trace.txt\n" - "# echo 0 > /debug/tracing/tracing_enabled\n" + "# echo print-parent > /sys/kernel/debug/tracing/trace_options\n" + "# echo 1 > /sys/kernel/debug/tracing/tracing_enabled\n" + "# cat /sys/kernel/debug/tracing/trace > /tmp/trace.txt\n" + "# echo 0 > /sys/kernel/debug/tracing/tracing_enabled\n" ; static ssize_t |