Date: Thu, 20 Nov 2014 23:16:20 +0000 (UTC) From: Ed Maste <emaste@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r274766 - head/sys/dev/hwpmc Message-ID: <201411202316.sAKNGKUu041832@svn.freebsd.org>
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Author: emaste Date: Thu Nov 20 23:16:19 2014 New Revision: 274766 URL: https://svnweb.freebsd.org/changeset/base/274766 Log: Clamp too-large hwpmc callchaindepth to the maximum If the depth requested by the user is too large, it's better to provide the maximum than the smaller default. Sponsored by: The FreeBSD Foundation Modified: head/sys/dev/hwpmc/hwpmc_mod.c Modified: head/sys/dev/hwpmc/hwpmc_mod.c ============================================================================== --- head/sys/dev/hwpmc/hwpmc_mod.c Thu Nov 20 23:00:17 2014 (r274765) +++ head/sys/dev/hwpmc/hwpmc_mod.c Thu Nov 20 23:16:19 2014 (r274766) @@ -4749,8 +4749,9 @@ pmc_initialize(void) if (pmc_callchaindepth <= 0 || pmc_callchaindepth > PMC_CALLCHAIN_DEPTH_MAX) { (void) printf("hwpmc: tunable \"callchaindepth\"=%d out of " - "range.\n", pmc_callchaindepth); - pmc_callchaindepth = PMC_CALLCHAIN_DEPTH; + "range - using %d.\n", pmc_callchaindepth, + PMC_CALLCHAIN_DEPTH_MAX); + pmc_callchaindepth = PMC_CALLCHAIN_DEPTH_MAX; } md = pmc_md_initialize();
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