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Vaibhav Nagarnaik 4943d9cb7d tracing: change CPU ring buffer state from tracing_cpumask 
commit 71babb2705 upstream.

According to Documentation/trace/ftrace.txt:

tracing_cpumask:

        This is a mask that lets the user only trace
        on specified CPUS. The format is a hex string
        representing the CPUS.

The tracing_cpumask currently doesn't affect the tracing state of
per-CPU ring buffers.

This patch enables/disables CPU recording as its corresponding bit in
tracing_cpumask is set/unset.

Link: http://lkml.kernel.org/r/1336096792-25373-3-git-send-email-vnagarnaik@google.com

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Laurent Chavey <chavey@google.com>
Cc: Justin Teravest <teravest@google.com>
Cc: David Sharp <dhsharp@google.com>
Signed-off-by: Vaibhav Nagarnaik <vnagarnaik@google.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-16 09:04:40 -07:00
..
debug
Merge tag 'for_linus-3.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb
2012-04-04 17:26:08 -07:00
events
perf: Fix perf_event_for_each() to use sibling
2012-04-26 13:51:31 +02:00
gcov
…
irq
genirq: export handle_edge_irq() and irq_to_desc()
2012-05-15 08:10:07 -07:00
power
PM / Hibernate: fix the number of pages used for hibernate/thaw buffering
2012-04-24 23:53:28 +02:00
sched
sched: Fix the relax_domain_level boot parameter
2012-06-17 11:21:28 -07:00
time
ntp: Correct TAI offset during leap second
2012-06-22 11:37:16 -07:00
trace
tracing: change CPU ring buffer state from tracing_cpumask
2012-07-16 09:04:40 -07:00
.gitignore
…
acct.c
Merge branch 'for-linus2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-01-08 12:19:57 -08:00
async.c
kernel/async: remove redundant declaration.
2012-01-13 09:32:18 +10:30
audit_tree.c
…
audit_watch.c
…
audit.c
constify path argument of audit_log_d_path()
2012-03-20 21:29:40 -04:00
audit.h
audit: remove AUDIT_SETUP_CONTEXT as it isn't used
2012-01-17 16:16:57 -05:00
auditfilter.c
audit: allow interfield comparison in audit rules
2012-01-17 16:17:01 -05:00
auditsc.c
kernel-doc: fix new warnings in auditsc.c
2012-01-23 08:44:53 -08:00
backtracetest.c
…
bounds.c
…
capability.c
Revert "capabitlies: ns_capable can use the cap helpers rather than lsm call"
2012-01-17 10:19:41 -08:00
cgroup_freezer.c
cgroup: remove cgroup_subsys argument from callbacks
2012-02-02 09:20:22 -08:00
cgroup.c
cgroup: cgroup_attach_task() could return -errno after success
2012-03-29 22:03:33 -07:00
compat.c
compat: Fix RT signal mask corruption via sigprocmask
2012-05-10 08:58:33 -07:00
configs.c
…
cpu_pm.c
…
cpu.c
Merge branch 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2012-01-08 13:10:57 -08:00
cpuset.c
Merge tag 'for-linus' of git://github.com/rustyrussell/linux
2012-04-02 08:53:24 -07:00
crash_dump.c
…
cred.c
cred: copy_process() should clear child->replacement_session_keyring
2012-04-11 08:20:11 -07:00
delayacct.c
…
dma.c
Remove all #inclusions of asm/system.h
2012-03-28 18:30:03 +01:00
elfcore.c
…
exec_domain.c
…
exit.c
mm: correctly synchronize rss-counters at exit/exec
2012-07-16 09:04:08 -07:00
extable.c
…
fork.c
mm/fork: fix overflow in vma length when copying mmap on clone
2012-06-10 00:36:06 +09:00
freezer.c
PM / Freezer: Remove references to TIF_FREEZE in comments
2012-03-04 23:08:54 +01:00
futex_compat.c
futex: Mark get_robust_list as deprecated
2012-03-29 11:37:17 +02:00
futex.c
futex: Mark get_robust_list as deprecated
2012-03-29 11:37:17 +02:00
groups.c
…
hrtimer.c
…
hung_task.c
hung_task: fix the broken rcu_lock_break() logic
2012-03-05 15:49:42 -08:00
irq_work.c
irq_work: fix compile failure on tile from missing include
2012-04-13 13:15:16 -04:00
itimer.c
itimer: Use printk_once instead of WARN_ONCE
2012-04-10 11:00:30 +02:00
jump_label.c
static keys: Inline the static_key_enabled() function
2012-02-28 20:01:08 +01:00
kallsyms.c
…
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
locking/kconfig: Simplify INLINE_SPIN_UNLOCK usage
2012-03-23 13:18:57 +01:00
Kconfig.preempt
locking/kconfig: Simplify INLINE_SPIN_UNLOCK usage
2012-03-23 13:18:57 +01:00
kexec.c
Merge branch 'akpm' (Andrew's patch-bomb)
2012-03-28 17:19:28 -07:00
kfifo.c
…
kmod.c
PM / Sleep: Mitigate race between the freezer and request_firmware()
2012-03-28 23:30:28 +02:00
kprobes.c
kprobes: return proper error code from register_kprobe()
2012-03-05 15:49:42 -08:00
ksysfs.c
…
kthread.c
…
latencytop.c
…
lockdep_internals.h
…
lockdep_proc.c
…
lockdep_states.h
…
lockdep.c
lockdep: Add CPU-idle/offline warning to lockdep-RCU splat
2012-02-21 09:06:06 -08:00
Makefile
sysctl: Move the implementation into fs/proc/proc_sysctl.c
2012-01-24 16:37:54 -08:00
module.c
module: Remove module size limit
2012-03-26 12:50:53 +10:30
mutex-debug.c
…
mutex-debug.h
…
mutex.c
sched/rt: Use schedule_preempt_disabled()
2012-03-01 10:28:03 +01:00
mutex.h
…
notifier.c
…
nsproxy.c
…
padata.c
padata: Fix cpu hotplug
2012-03-29 19:52:46 +08:00
panic.c
kdump: Execute kmsg_dump(KMSG_DUMP_PANIC) after smp_send_stop()
2012-06-22 11:36:56 -07:00
params.c
params: <level>_initcall-like kernel parameters
2012-03-26 12:50:51 +10:30
pid_namespace.c
pidns: add reboot_pid_ns() to handle the reboot syscall
2012-03-28 17:14:36 -07:00
pid.c
vfs: fix panic in __d_lookup() with high dentry hashtable counts
2012-02-13 20:45:38 -05:00
posix-cpu-timers.c
[S390] cputime: add sparse checking and cleanup
2011-12-15 14:56:19 +01:00
posix-timers.c
…
printk.c
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-03-20 10:31:44 -07:00
profile.c
…
ptrace.c
ptrace: remove PTRACE_SEIZE_DEVEL bit
2012-03-23 16:58:41 -07:00
range.c
…
rcu.h
rcu: Allow nesting of rcu_idle_enter() and rcu_idle_exit()
2012-02-21 09:06:12 -08:00
rcupdate.c
rcu: Check for illegal use of RCU from offlined CPUs
2012-02-21 09:06:03 -08:00
rcutiny_plugin.h
rcu: Simplify unboosting checks
2012-02-21 09:03:43 -08:00
rcutiny.c
rcu: Add RCU_NONIDLE() for idle-loop RCU read-side critical sections
2012-02-21 09:06:13 -08:00
rcutorture.c
PTR_ERR should be called before its argument is cleared.
2012-02-21 09:06:10 -08:00
rcutree_plugin.h
rcu: Hold off RCU_FAST_NO_HZ after timer posted
2012-02-21 09:42:30 -08:00
rcutree_trace.c
rcu: Rework detection of use of RCU by offline CPUs
2012-02-21 09:06:07 -08:00
rcutree.c
rcu: Permit call_rcu() from CPU_DYING notifiers
2012-04-17 07:30:54 -07:00
rcutree.h
rcu: Rework detection of use of RCU by offline CPUs
2012-02-21 09:06:07 -08:00
relay.c
relay: prevent integer overflow in relay_open()
2012-02-10 09:04:49 +01:00
res_counter.c
net: introduce res_counter_charge_nofail() for socket allocations
2012-01-22 15:08:46 -05:00
resource.c
kernel/resource.c: move EXPORT_SYMBOL right after definition
2012-02-03 23:37:07 +01:00
rtmutex_common.h
…
rtmutex-debug.c
…
rtmutex-debug.h
…
rtmutex-tester.c
rtmutex-tester: convert sysdev_class to a regular subsystem
2011-12-14 14:54:22 -08:00
rtmutex.c
Revert "rcu: Permit rt_mutex_unlock() with irqs disabled"
2011-12-11 10:33:18 -08:00
rtmutex.h
…
rwsem.c
Remove all #inclusions of asm/system.h
2012-03-28 18:30:03 +01:00
seccomp.c
seccomp: audit abnormal end to a process due to seccomp
2012-01-17 16:16:55 -05:00
semaphore.c
…
signal.c
Merge tag 'split-asm_system_h-for-linus-20120328' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-asm_system
2012-03-28 15:58:21 -07:00
smp.c
smp: add func to IPI cpus based on parameter func
2012-03-28 17:14:35 -07:00
softirq.c
Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-03-20 10:32:09 -07:00
spinlock.c
locking/kconfig: Simplify INLINE_SPIN_UNLOCK usage
2012-03-23 13:18:57 +01:00
srcu.c
rcu: Call out dangers of expedited RCU primitives
2012-02-21 09:06:08 -08:00
stacktrace.c
…
stop_machine.c
…
sys_ni.c
…
sys.c
pidns: add reboot_pid_ns() to handle the reboot syscall
2012-03-28 17:14:36 -07:00
sysctl_binary.c
binary_sysctl(): fix memory leak
2011-12-20 10:25:04 -08:00
sysctl.c
sysctl: fix write access to dmesg_restrict/kptr_restrict
2012-04-05 14:51:43 +10:00
taskstats.c
…
test_kprobes.c
…
time.c
time: Remove bogus comments
2012-03-15 18:17:55 -07:00
timeconst.pl
…
timer.c
Merge branch 'core-debugobjects-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-01-06 07:53:34 -08:00
tracepoint.c
static keys: Introduce 'struct static_key', static_key_true()/false() and static_key_slow_[inc|dec]()
2012-02-24 10:05:59 +01:00
tsacct.c
[S390] cputime: add sparse checking and cleanup
2011-12-15 14:56:19 +01:00
uid16.c
…
up.c
…
user_namespace.c
…
user-return-notifier.c
…
user.c
…
utsname_sysctl.c
…
utsname.c
…
wait.c
lockdep/waitqueues: Add better annotation
2011-12-21 10:07:39 +01:00
watchdog.c
kernel/watchdog.c: add comment to watchdog() exit path
2012-03-23 16:58:32 -07:00
workqueue_sched.h
…
workqueue.c
workqueue: skip nr_running sanity check in worker_enter_idle() if trustee is active
2012-06-01 15:18:19 +08:00