Messages in this thread Patch in this message | | | From | Jacob Pan <> | Subject | [PATCH] powercap/rapl: change domain detection message | Date | Tue, 2 Sep 2014 02:55:21 -0700 |
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Many CPUs do not support complete set of RAPL domains, as a result this detection failed message is very misleading and can be annoying.
[ 5.082632] intel_rapl: RAPL domain core detection failed [ 5.088370] intel_rapl: RAPL domain uncore detection failed
So lower the warning message to info and only print out the RAPL domains that are supported.
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> --- drivers/powercap/intel_rapl.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c index b1cda6f..d32b7a6 100644 --- a/drivers/powercap/intel_rapl.c +++ b/drivers/powercap/intel_rapl.c @@ -1166,11 +1166,10 @@ static int rapl_detect_domains(struct rapl_package *rp, int cpu) for (i = 0; i < RAPL_DOMAIN_MAX; i++) { /* use physical package id to read counters */ - if (!rapl_check_domain(cpu, i)) + if (!rapl_check_domain(cpu, i)) { rp->domain_map |= 1 << i; - else - pr_warn("RAPL domain %s detection failed\n", - rapl_domain_names[i]); + pr_info("Found RAPL domain %s\n", rapl_domain_names[i]); + } } rp->nr_domains = bitmap_weight(&rp->domain_map, RAPL_DOMAIN_MAX); if (!rp->nr_domains) { -- 2.0.0.5.gbce14aa
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