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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-14 20:08:51 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-14 20:08:51 -0700 |
| commit | 1064d857738187c764c0bd76040f424397f857c7 (patch) | |
| tree | 13d16c0aed50b64c20b8fe235b15172f3c997f15 /kernel/latencytop.c | |
| parent | 35c99ffa20edd3c24be352d28a63cd3a23121282 (diff) | |
| parent | def0fdae813dbbbbb588bfc5f52856be2e842b35 (diff) | |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
- a couple of hotfixes
- almost all of the rest of MM
- lib/ updates
- binfmt_elf updates
- autofs updates
- quite a lot of misc fixes and updates
- reiserfs, fatfs
- signals
- exec
- cpumask
- rapidio
- sysctl
- pids
- eventfd
- gcov
- panic
- pps
- gdb script updates
- ipc updates
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (126 commits)
mm: memcontrol: fix NUMA round-robin reclaim at intermediate level
mm: memcontrol: fix recursive statistics correctness & scalabilty
mm: memcontrol: move stat/event counting functions out-of-line
mm: memcontrol: make cgroup stats and events query API explicitly local
drivers/virt/fsl_hypervisor.c: prevent integer overflow in ioctl
drivers/virt/fsl_hypervisor.c: dereferencing error pointers in ioctl
mm, memcg: rename ambiguously named memory.stat counters and functions
arch: remove <asm/sizes.h> and <asm-generic/sizes.h>
treewide: replace #include <asm/sizes.h> with #include <linux/sizes.h>
fs/block_dev.c: Remove duplicate header
fs/cachefiles/namei.c: remove duplicate header
include/linux/sched/signal.h: replace `tsk' with `task'
fs/coda/psdev.c: remove duplicate header
ipc: do cyclic id allocation for the ipc object.
ipc: conserve sequence numbers in ipcmni_extend mode
ipc: allow boot time extension of IPCMNI from 32k to 16M
ipc/mqueue: optimize msg_get()
ipc/mqueue: remove redundant wq task assignment
ipc: prevent lockup on alloc_msg and free_msg
scripts/gdb: print cached rate in lx-clk-summary
...
Diffstat (limited to 'kernel/latencytop.c')
| -rw-r--r-- | kernel/latencytop.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/kernel/latencytop.c b/kernel/latencytop.c index 99a5b5f46dc5..871734ea2f04 100644 --- a/kernel/latencytop.c +++ b/kernel/latencytop.c @@ -67,13 +67,10 @@ static struct latency_record latency_record[MAXLR]; int latencytop_enabled; -void clear_all_latency_tracing(struct task_struct *p) +void clear_tsk_latency_tracing(struct task_struct *p) { unsigned long flags; - if (!latencytop_enabled) - return; - raw_spin_lock_irqsave(&latency_lock, flags); memset(&p->latency_record, 0, sizeof(p->latency_record)); p->latency_record_count = 0; @@ -96,9 +93,6 @@ account_global_scheduler_latency(struct task_struct *tsk, int firstnonnull = MAXLR + 1; int i; - if (!latencytop_enabled) - return; - /* skip kernel threads for now */ if (!tsk->mm) return; |