According to a designer of the Applied Micro X-Gene1 (Dave Nuechterlein) the number of general purpose performance counter registers on the chip is 4, not 6. This is mentioned on the perfapi-devel mailing list archive:
https://lists.eecs.utk.edu/pipermail/perfapi-devel/2014-November/006786.html Signed-off-by: William Cohen <wco...@redhat.com> --- lib/pfmlib_arm_armv8.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/pfmlib_arm_armv8.c b/lib/pfmlib_arm_armv8.c index 3619508..5506517 100644 --- a/lib/pfmlib_arm_armv8.c +++ b/lib/pfmlib_arm_armv8.c @@ -143,7 +143,7 @@ pfmlib_pmu_t arm_xgene_support={ .pmu_detect = pfm_arm_detect_xgene, .max_encoding = 1, - .num_cntrs = 6, + .num_cntrs = 4, .get_event_encoding[PFM_OS_NONE] = pfm_arm_get_encoding, PFMLIB_ENCODE_PERF(pfm_arm_get_perf_encoding), -- 1.9.3 ------------------------------------------------------------------------------ Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration & more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151&iu=/4140/ostg.clktrk _______________________________________________ perfmon2-devel mailing list perfmon2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/perfmon2-devel
