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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-16 15:57:37 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-16 15:57:37 -0400 |
commit | 6fd03301d76bc439382710e449f58efbb233df1b (patch) | |
tree | 3c8a3217aed67319683ffc1debccdb5b3245b16c /kernel/trace/trace.c | |
parent | cd5232bd6be2d215a800f3d88c287ca791debfbe (diff) | |
parent | e4792aa30f9d33584d7192685ed149cc5fee737f (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: (64 commits)
debugfs: use specified mode to possibly mark files read/write only
debugfs: Fix terminology inconsistency of dir name to mount debugfs filesystem.
xen: remove driver_data direct access of struct device from more drivers
usb: gadget: at91_udc: remove driver_data direct access of struct device
uml: remove driver_data direct access of struct device
block/ps3: remove driver_data direct access of struct device
s390: remove driver_data direct access of struct device
parport: remove driver_data direct access of struct device
parisc: remove driver_data direct access of struct device
of_serial: remove driver_data direct access of struct device
mips: remove driver_data direct access of struct device
ipmi: remove driver_data direct access of struct device
infiniband: ehca: remove driver_data direct access of struct device
ibmvscsi: gadget: at91_udc: remove driver_data direct access of struct device
hvcs: remove driver_data direct access of struct device
xen block: remove driver_data direct access of struct device
thermal: remove driver_data direct access of struct device
scsi: remove driver_data direct access of struct device
pcmcia: remove driver_data direct access of struct device
PCIE: remove driver_data direct access of struct device
...
Manually fix up trivial conflicts due to different direct driver_data
direct access fixups in drivers/block/{ps3disk.c,ps3vram.c}
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 8acd9b81a5d7..c1878bfb2e1e 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c | |||
@@ -344,7 +344,7 @@ static raw_spinlock_t ftrace_max_lock = | |||
344 | /* | 344 | /* |
345 | * Copy the new maximum trace into the separate maximum-trace | 345 | * Copy the new maximum trace into the separate maximum-trace |
346 | * structure. (this way the maximum trace is permanently saved, | 346 | * structure. (this way the maximum trace is permanently saved, |
347 | * for later retrieval via /debugfs/tracing/latency_trace) | 347 | * for later retrieval via /sys/kernel/debug/tracing/latency_trace) |
348 | */ | 348 | */ |
349 | static void | 349 | static void |
350 | __update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu) | 350 | __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 = { | |||
2414 | 2414 | ||
2415 | static const char readme_msg[] = | 2415 | static const char readme_msg[] = |
2416 | "tracing mini-HOWTO:\n\n" | 2416 | "tracing mini-HOWTO:\n\n" |
2417 | "# mkdir /debug\n" | 2417 | "# mount -t debugfs nodev /sys/kernel/debug\n\n" |
2418 | "# mount -t debugfs nodev /debug\n\n" | 2418 | "# cat /sys/kernel/debug/tracing/available_tracers\n" |
2419 | "# cat /debug/tracing/available_tracers\n" | ||
2420 | "wakeup preemptirqsoff preemptoff irqsoff function sched_switch nop\n\n" | 2419 | "wakeup preemptirqsoff preemptoff irqsoff function sched_switch nop\n\n" |
2421 | "# cat /debug/tracing/current_tracer\n" | 2420 | "# cat /sys/kernel/debug/tracing/current_tracer\n" |
2422 | "nop\n" | 2421 | "nop\n" |
2423 | "# echo sched_switch > /debug/tracing/current_tracer\n" | 2422 | "# echo sched_switch > /sys/kernel/debug/tracing/current_tracer\n" |
2424 | "# cat /debug/tracing/current_tracer\n" | 2423 | "# cat /sys/kernel/debug/tracing/current_tracer\n" |
2425 | "sched_switch\n" | 2424 | "sched_switch\n" |
2426 | "# cat /debug/tracing/trace_options\n" | 2425 | "# cat /sys/kernel/debug/tracing/trace_options\n" |
2427 | "noprint-parent nosym-offset nosym-addr noverbose\n" | 2426 | "noprint-parent nosym-offset nosym-addr noverbose\n" |
2428 | "# echo print-parent > /debug/tracing/trace_options\n" | 2427 | "# echo print-parent > /sys/kernel/debug/tracing/trace_options\n" |
2429 | "# echo 1 > /debug/tracing/tracing_enabled\n" | 2428 | "# echo 1 > /sys/kernel/debug/tracing/tracing_enabled\n" |
2430 | "# cat /debug/tracing/trace > /tmp/trace.txt\n" | 2429 | "# cat /sys/kernel/debug/tracing/trace > /tmp/trace.txt\n" |
2431 | "# echo 0 > /debug/tracing/tracing_enabled\n" | 2430 | "# echo 0 > /sys/kernel/debug/tracing/tracing_enabled\n" |
2432 | ; | 2431 | ; |
2433 | 2432 | ||
2434 | static ssize_t | 2433 | static ssize_t |