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powercap / RAPL: change domain detection message

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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>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Jacob Pan 2014-09-02 02:55:21 -07:00 committed by Rafael J. Wysocki
parent 64c7569c06
commit fcdf1797e1
1 changed files with 3 additions and 4 deletions
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7
drivers/powercap/intel_rapl.c
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@ -1167,11 +1167,10 @@ 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) {