Author: luporl Date: Thu Nov 5 16:41:28 2020 New Revision: 367391 URL: https://svnweb.freebsd.org/changeset/base/367391
Log: libpmc: add support for POWER8/9 PMCs This change adds support for POWER8/9 performance counters. Reviewed by: jhibbits Sponsored by: Eldorado Research Institute (eldorado.org.br) Differential Revision: https://reviews.freebsd.org/D26113 Modified: head/lib/libpmc/libpmc.c Modified: head/lib/libpmc/libpmc.c ============================================================================== --- head/lib/libpmc/libpmc.c Thu Nov 5 16:36:39 2020 (r367390) +++ head/lib/libpmc/libpmc.c Thu Nov 5 16:41:28 2020 (r367391) @@ -149,6 +149,7 @@ PMC_CLASSDEP_TABLE(mips74k, MIPS74K); PMC_CLASSDEP_TABLE(octeon, OCTEON); PMC_CLASSDEP_TABLE(ppc7450, PPC7450); PMC_CLASSDEP_TABLE(ppc970, PPC970); +PMC_CLASSDEP_TABLE(power8, POWER8); PMC_CLASSDEP_TABLE(e500, E500); static struct pmc_event_descr soft_event_table[PMC_EV_DYN_COUNT]; @@ -204,6 +205,7 @@ PMC_MDEP_TABLE(mips74k, MIPS74K, PMC_CLASS_SOFT, PMC_C PMC_MDEP_TABLE(octeon, OCTEON, PMC_CLASS_SOFT, PMC_CLASS_OCTEON); PMC_MDEP_TABLE(ppc7450, PPC7450, PMC_CLASS_SOFT, PMC_CLASS_PPC7450, PMC_CLASS_TSC); PMC_MDEP_TABLE(ppc970, PPC970, PMC_CLASS_SOFT, PMC_CLASS_PPC970, PMC_CLASS_TSC); +PMC_MDEP_TABLE(power8, POWER8, PMC_CLASS_SOFT, PMC_CLASS_POWER8, PMC_CLASS_TSC); PMC_MDEP_TABLE(e500, E500, PMC_CLASS_SOFT, PMC_CLASS_E500, PMC_CLASS_TSC); PMC_MDEP_TABLE(generic, SOFT, PMC_CLASS_SOFT); @@ -252,6 +254,7 @@ PMC_CLASS_TABLE_DESC(octeon, OCTEON, octeon, mips); #if defined(__powerpc__) PMC_CLASS_TABLE_DESC(ppc7450, PPC7450, ppc7450, powerpc); PMC_CLASS_TABLE_DESC(ppc970, PPC970, ppc970, powerpc); +PMC_CLASS_TABLE_DESC(power8, POWER8, power8, powerpc); PMC_CLASS_TABLE_DESC(e500, E500, e500, powerpc); #endif @@ -913,6 +916,12 @@ static struct pmc_event_alias ppc970_aliases[] = { EV_ALIAS(NULL, NULL) }; +static struct pmc_event_alias power8_aliases[] = { + EV_ALIAS("instructions", "INSTR_COMPLETED"), + EV_ALIAS("cycles", "CYCLES"), + EV_ALIAS(NULL, NULL) +}; + static struct pmc_event_alias e500_aliases[] = { EV_ALIAS("instructions", "INSTR_COMPLETED"), EV_ALIAS("cycles", "CYCLES"), @@ -1313,6 +1322,10 @@ pmc_event_names_of_class(enum pmc_class cl, const char ev = ppc970_event_table; count = PMC_EVENT_TABLE_SIZE(ppc970); break; + case PMC_CLASS_POWER8: + ev = power8_event_table; + count = PMC_EVENT_TABLE_SIZE(power8); + break; case PMC_CLASS_E500: ev = e500_event_table; count = PMC_EVENT_TABLE_SIZE(e500); @@ -1564,6 +1577,10 @@ pmc_init(void) PMC_MDEP_INIT(ppc970); pmc_class_table[n] = &ppc970_class_table_descr; break; + case PMC_CPU_PPC_POWER8: + PMC_MDEP_INIT(power8); + pmc_class_table[n] = &power8_class_table_descr; + break; case PMC_CPU_PPC_E500: PMC_MDEP_INIT(e500); pmc_class_table[n] = &e500_class_table_descr; @@ -1701,6 +1718,9 @@ _pmc_name_of_event(enum pmc_event pe, enum pmc_cputype } else if (pe >= PMC_EV_PPC970_FIRST && pe <= PMC_EV_PPC970_LAST) { ev = ppc970_event_table; evfence = ppc970_event_table + PMC_EVENT_TABLE_SIZE(ppc970); + } else if (pe >= PMC_EV_POWER8_FIRST && pe <= PMC_EV_POWER8_LAST) { + ev = power8_event_table; + evfence = power8_event_table + PMC_EVENT_TABLE_SIZE(power8); } else if (pe >= PMC_EV_E500_FIRST && pe <= PMC_EV_E500_LAST) { ev = e500_event_table; evfence = e500_event_table + PMC_EVENT_TABLE_SIZE(e500); _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
