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| author | rstone <rstone@FreeBSD.org> | 2010-05-01 21:59:06 +0000 |
|---|---|---|
| committer | rstone <rstone@FreeBSD.org> | 2010-05-01 21:59:06 +0000 |
| commit | 01a827bd910a0e0a956fa132ab9ab657527ec788 (patch) | |
| tree | 48543a01283239dc55fb068d4dcb5ece1f3c3109 | |
| parent | 65cf7aac0b30cb9fd2148329b46e43e6f9c6f382 (diff) | |
| download | FreeBSD-src-01a827bd910a0e0a956fa132ab9ab657527ec788.zip FreeBSD-src-01a827bd910a0e0a956fa132ab9ab657527ec788.tar.gz | |
When configuring hwpmc to use the EXT_SNOOP event, only send a default cachestate qualifier on the Atom processor. Other Intel processors do not accept a cachestate qualifier and currently hwpmc will return EINVAL if you try to use the EXT_SNOOP event on those processors
Approved by: jkoshy (mentor)
MFC after: 2 weeks
| -rw-r--r-- | lib/libpmc/libpmc.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/libpmc/libpmc.c b/lib/libpmc/libpmc.c index c440aa8..8922dd8 100644 --- a/lib/libpmc/libpmc.c +++ b/lib/libpmc/libpmc.c @@ -737,9 +737,16 @@ iap_allocate_pmc(enum pmc_event pe, char *ctrspec, case PMC_EV_IAP_EVENT_40H: /* Core */ case PMC_EV_IAP_EVENT_41H: /* Core */ case PMC_EV_IAP_EVENT_42H: /* Core, Core2, Atom */ - case PMC_EV_IAP_EVENT_77H: /* Core */ if (cachestate == 0) cachestate = (0xF << 8); + break; + case PMC_EV_IAP_EVENT_77H: /* Atom */ + /* IAP_EVENT_77H only accepts a cachestate qualifier on the + * Atom processor + */ + if(cpu_info.pm_cputype == PMC_CPU_INTEL_ATOM && cachestate == 0) + cachestate = (0xF << 8); + break; default: break; } |
