From owner-svn-src-head@freebsd.org Tue Jul 14 18:11:07 2020 Return-Path: Delivered-To: svn-src-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 32B9736ACDC; Tue, 14 Jul 2020 18:11:07 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4B5pVL5qJqz4GsY; Tue, 14 Jul 2020 18:11:06 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 9B8C6A2ED; Tue, 14 Jul 2020 18:11:06 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 06EIB6wh008173; Tue, 14 Jul 2020 18:11:06 GMT (envelope-from mav@FreeBSD.org) Received: (from mav@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 06EIB6b3008168; Tue, 14 Jul 2020 18:11:06 GMT (envelope-from mav@FreeBSD.org) Message-Id: <202007141811.06EIB6b3008168@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mav set sender to mav@FreeBSD.org using -f From: Alexander Motin Date: Tue, 14 Jul 2020 18:11:06 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r363188 - in head: lib/libpmc sys/dev/hwpmc X-SVN-Group: head X-SVN-Commit-Author: mav X-SVN-Commit-Paths: in head: lib/libpmc sys/dev/hwpmc X-SVN-Commit-Revision: 363188 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Jul 2020 18:11:07 -0000 Author: mav Date: Tue Jul 14 18:11:05 2020 New Revision: 363188 URL: https://svnweb.freebsd.org/changeset/base/363188 Log: Add stepping to the kern.hwpmc.cpuid string on x86. It follows the equivalent Linux change to be able to differentiate skylakex and cascadelakex, sharing the same model but not stepping. This fixes skylakex handling broken by r363144. MFC after: 6 days Modified: head/lib/libpmc/libpmc_pmu_util.c head/sys/dev/hwpmc/hwpmc_amd.c head/sys/dev/hwpmc/hwpmc_intel.c Modified: head/lib/libpmc/libpmc_pmu_util.c ============================================================================== --- head/lib/libpmc/libpmc_pmu_util.c Tue Jul 14 18:02:24 2020 (r363187) +++ head/lib/libpmc/libpmc_pmu_util.c Tue Jul 14 18:11:05 2020 (r363188) @@ -169,7 +169,7 @@ pmu_events_map_get(const char *cpuid) { regex_t re; regmatch_t pmatch[1]; - size_t s, len; + size_t s; char buf[64]; int match; const struct pmu_events_map *pme; @@ -193,8 +193,8 @@ pmu_events_map_get(const char *cpuid) match = regexec(&re, buf, 1, pmatch, 0); regfree(&re); if (match == 0) { - len = pmatch[0].rm_eo - pmatch[0].rm_so; - if(len == strlen(buf)) + if (pmatch[0].rm_so == 0 && (buf[pmatch[0].rm_eo] == 0 + || buf[pmatch[0].rm_eo] == '-')) return (pme); } } Modified: head/sys/dev/hwpmc/hwpmc_amd.c ============================================================================== --- head/sys/dev/hwpmc/hwpmc_amd.c Tue Jul 14 18:02:24 2020 (r363187) +++ head/sys/dev/hwpmc/hwpmc_amd.c Tue Jul 14 18:11:05 2020 (r363188) @@ -1073,7 +1073,7 @@ pmc_amd_initialize(void) enum pmc_cputype cputype; struct pmc_mdep *pmc_mdep; enum pmc_class class; - int model; + int model, stepping; char *name; /* @@ -1086,12 +1086,13 @@ pmc_amd_initialize(void) name = NULL; model = ((cpu_id & 0xF0000) >> 12) | ((cpu_id & 0xF0) >> 4); + stepping = cpu_id & 0xF; if (CPUID_TO_FAMILY(cpu_id) == 0x17) - snprintf(pmc_cpuid, sizeof(pmc_cpuid), "AuthenticAMD-%d-%02X", - CPUID_TO_FAMILY(cpu_id), model); + snprintf(pmc_cpuid, sizeof(pmc_cpuid), "AuthenticAMD-%d-%02X-%X", + CPUID_TO_FAMILY(cpu_id), model, stepping); if (CPUID_TO_FAMILY(cpu_id) == 0x18) - snprintf(pmc_cpuid, sizeof(pmc_cpuid), "HygonGenuine-%d-%02X", - CPUID_TO_FAMILY(cpu_id), model); + snprintf(pmc_cpuid, sizeof(pmc_cpuid), "HygonGenuine-%d-%02X-%X", + CPUID_TO_FAMILY(cpu_id), model, stepping); switch (cpu_id & 0xF00) { #if defined(__i386__) Modified: head/sys/dev/hwpmc/hwpmc_intel.c ============================================================================== --- head/sys/dev/hwpmc/hwpmc_intel.c Tue Jul 14 18:02:24 2020 (r363187) +++ head/sys/dev/hwpmc/hwpmc_intel.c Tue Jul 14 18:11:05 2020 (r363188) @@ -94,8 +94,8 @@ pmc_intel_initialize(void) model = ((cpu_id & 0xF0000) >> 12) | ((cpu_id & 0xF0) >> 4); stepping = cpu_id & 0xF; - snprintf(pmc_cpuid, sizeof(pmc_cpuid), "GenuineIntel-%d-%02X", - (cpu_id & 0xF00) >> 8, model); + snprintf(pmc_cpuid, sizeof(pmc_cpuid), "GenuineIntel-%d-%02X-%X", + (cpu_id & 0xF00) >> 8, model, stepping); switch (cpu_id & 0xF00) { case 0x600: /* Pentium Pro, Celeron, Pentium II & III */ switch (model) {