diff options
| author | Paul Mackerras <paulus@samba.org> | 2009-03-06 16:30:52 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2009-03-06 16:30:57 +1100 |
| commit | 880860e392d92c457e8116cdee39ec4d109174ee (patch) | |
| tree | f5eb17baf4b89f15c61fd0e4499786fdb9b6030e /arch/powerpc/kernel/perf_counter.c | |
| parent | aabbaa6036fd847c583f585c6bae82b5a033e6c7 (diff) | |
perfcounters/powerpc: add support for POWER4 processors
Impact: more hardware support
This adds the back-end for the PMU on the POWER4 and POWER4+ processors
(GP and GQ). This is quite similar to the PPC970, with 8 PMCs, but has
fewer events than the PPC970.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/perf_counter.c')
| -rw-r--r-- | arch/powerpc/kernel/perf_counter.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/perf_counter.c b/arch/powerpc/kernel/perf_counter.c index 162f3981fa2..0e33d27cd46 100644 --- a/arch/powerpc/kernel/perf_counter.c +++ b/arch/powerpc/kernel/perf_counter.c @@ -824,6 +824,7 @@ void hw_perf_counter_setup(int cpu) cpuhw->mmcr[0] = MMCR0_FC; } +extern struct power_pmu power4_pmu; extern struct power_pmu ppc970_pmu; extern struct power_pmu power5_pmu; extern struct power_pmu power5p_pmu; @@ -841,6 +842,10 @@ static int init_perf_counters(void) /* XXX should get this from cputable */ pvr = mfspr(SPRN_PVR); switch (PVR_VER(pvr)) { + case PV_POWER4: + case PV_POWER4p: + ppmu = &power4_pmu; + break; case PV_970: case PV_970FX: case PV_970MP: |