On Thu, Mar 17, 2011 at 8:43 AM, Arun Sharma <[email protected]> wrote:
>
> Stephane has disabled the uncore event support in libpfm4 (since the
> patch is still not upstream yet). But by uncommenting 2-3 lines of
> code, you should be able to get uncore events working.
>
This is the patch I'm using for uncore events with perf + libpfm4.
diff --git a/include/perfmon/perf_event.h b/include/perfmon/perf_event.h
index 4ba6738..ef68265 100644
--- a/include/perfmon/perf_event.h
+++ b/include/perfmon/perf_event.h
@@ -46,6 +46,7 @@ enum perf_type_id {
PERF_TYPE_HW_CACHE = 3,
PERF_TYPE_RAW = 4,
PERF_TYPE_BREAKPOINT = 5,
+ PERF_TYPE_UNCORE = 6,
PERF_TYPE_MAX
};
diff --git a/lib/pfmlib_intel_x86_perf_event.c
b/lib/pfmlib_intel_x86_perf_event.c
index ab282dd..b35dccd 100644
--- a/lib/pfmlib_intel_x86_perf_event.c
+++ b/lib/pfmlib_intel_x86_perf_event.c
@@ -81,10 +81,7 @@ pfm_intel_nhm_unc_get_perf_encoding(void *this,
pfmlib_event_desc_t *e)
if (ret != PFM_SUCCESS)
return ret;
-#if 0
- /* XXX: uncomment when uncore support is upstream */
attr->type = PERF_TYPE_UNCORE;
-#endif
attr->config = e->codes[0];
/*
* uncore measures at all priv levels
diff --git a/lib/pfmlib_perf_event.c b/lib/pfmlib_perf_event.c
index 824f9a5..d2eea5e 100644
--- a/lib/pfmlib_perf_event.c
+++ b/lib/pfmlib_perf_event.c
@@ -157,7 +157,7 @@ pfmlib_perf_event_encode(void *this, const char
*str, int dfl_plm, void *data)
attr->exclude_user = !(plm & PFM_PLM3);
attr->exclude_kernel = !(plm & PFM_PLM0);
- attr->exclude_hv = !(plm & PFM_PLMH);
+ //attr->exclude_hv = !(plm & PFM_PLMH);
__pfm_vbprintf("PERF[type=%x config=0x%"PRIx64" config1=0x%"PRIx64
" e_u=%d e_k=%d e_hv=%d period=%"PRIu64" freq=%d"
-Arun
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