diff options
| author | Soren Sandmann <sandmann@daimi.au.dk> | 2006-12-09 06:29:43 +0000 |
|---|---|---|
| committer | Søren Sandmann Pedersen <ssp@src.gnome.org> | 2006-12-09 06:29:43 +0000 |
| commit | bd1f064ad3cd967c9f796104e7f8b92e0214e961 (patch) | |
| tree | b4eb98b0bfb4b07bff3f8f757384ea113328b816 /module | |
| parent | 4ba672ee9f3a74c1c68ed7f372816d67e0f5eba2 (diff) | |
Add forgotten put_cpu_var(). Parse in chunks of 65536 to improve locality.
2006-12-09 Soren Sandmann <sandmann@daimi.au.dk>
* module/sysprof-module.c: Add forgotten put_cpu_var().
* sfile.c (build_instructions): Parse in chunks of 65536 to
improve locality.
Diffstat (limited to 'module')
| -rw-r--r-- | module/Makefile | 2 | ||||
| -rw-r--r-- | module/sysprof-module.c | 7 |
2 files changed, 7 insertions, 2 deletions
diff --git a/module/Makefile b/module/Makefile index f89c2e3..b87e2a1 100644 --- a/module/Makefile +++ b/module/Makefile @@ -10,7 +10,7 @@ PREFIX := /usr/local endif MODULE := sysprof-module -KDIR := /lib/modules/$(shell uname -r)/build +KDIR := /lib/modules/$(shell uname -r)/build # /home/ssp/linux-2.6.19/ INCLUDE := -isystem $(KDIR)/include MODCFLAGS := -DMODULE -D__KERNEL__ -Wall ${INCLUDE} diff --git a/module/sysprof-module.c b/module/sysprof-module.c index 388f068..59b7910 100644 --- a/module/sysprof-module.c +++ b/module/sysprof-module.c @@ -126,8 +126,12 @@ timer_notify (struct pt_regs *regs) #if 0 int stacksize; #endif + int n; - if (((++get_cpu_var(n_samples)) % INTERVAL) != 0) + n = ++get_cpu_var(n_samples); + put_cpu_var(n_samples); + + if (n % INTERVAL != 0) return 0; /* 0: locked, 1: unlocked */ @@ -216,6 +220,7 @@ timer_notify (struct pt_regs *regs) out: atomic_inc(&in_timer_notify); + return 0; } |