diff options
| author |   Will Schmidt <will_schmidt@vnet.ibm.com> | 2009-11-25 06:12:09 +0000 |
|---|---|---|
| committer |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-02-09 13:55:05 +1100 |
| commit | 25ef231de2678690198d95dca949c3caa67a76de (patch) | |
| tree | 5b0b42dd17aa4fbac0ca8ed8728f21216903ec89 /arch/powerpc/platforms/pseries | |
| parent | powerpc/pseries: Pass more accurate number of supported cores to firmware (diff) | |
| download | linux-dev-25ef231de2678690198d95dca949c3caa67a76de.tar.xz linux-dev-25ef231de2678690198d95dca949c3caa67a76de.zip | |
powerpc/pseries: Hypervisor call tracepoints hcall_stats touchup
The tb_total and purr_total values reported via the hcall_stats code
should be cumulative, rather than being replaced by the latest delta tb
or purr value.
Tested-by: Will Schmidt <will_schmidt@vnet.ibm.com>
Signed-off-by: Will Schmidt <will_schmidt@vnet.ibm.com>
Acked-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms/pseries')
| -rw-r--r-- | arch/powerpc/platforms/pseries/hvCall_inst.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c index 2f58c71b7259..1fefae76e295 100644 --- a/arch/powerpc/platforms/pseries/hvCall_inst.c +++ b/arch/powerpc/platforms/pseries/hvCall_inst.c @@ -124,8 +124,8 @@ static void probe_hcall_exit(unsigned long opcode, unsigned long retval, h = &__get_cpu_var(hcall_stats)[opcode / 4]; h->num_calls++; - h->tb_total = mftb() - h->tb_start; - h->purr_total = mfspr(SPRN_PURR) - h->purr_start; + h->tb_total += mftb() - h->tb_start; + h->purr_total += mfspr(SPRN_PURR) - h->purr_start; put_cpu_var(hcall_stats); } |