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pmc: Add Hygon Dhyana support.

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To make the PMC tool pmcstat working properly on Hygon platform, add
support for Hygon Dhyana family 18h by using the PMC initialization
code path of AMD family 17h.

Submitted by:	Pu Wen <puwen@hygon.cn>
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D23562
This commit is contained in:
Konstantin Belousov 2020-02-07 22:28:04 +00:00
parent fc9134243d
commit 53071ed1c9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=357670
4 changed files with 10 additions and 3 deletions
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3
lib/libpmc/libpmc_pmu_util.c
View File

@ -103,7 +103,8 @@ pmu_events_mfr(void)
free(buf);
return (PMU_INVALID);
}
if (strcasestr(buf, "AuthenticAMD") != NULL)
if (strcasestr(buf, "AuthenticAMD") != NULL ||
strcasestr(buf, "HygonGenuine") != NULL)
mfr = PMU_AMD;
else if (strcasestr(buf, "GenuineIntel") != NULL)
mfr = PMU_INTEL;

1
lib/libpmc/pmu-events/arch/x86/mapfile.csv
View File

@ -41,3 +41,4 @@ AuthenticAMD-23-02,v1,amdfam17h,core
AuthenticAMD-23-03,v1,amdfam17h,core
AuthenticAMD-23-04,v1,amdfam17h,core
AuthenticAMD-23-05,v1,amdfam17h,core
HygonGenuine-24-00,v1,amdfam17h,core

1 Family-model Version Filename EventType
41 AuthenticAMD-23-03 v1 amdfam17h core
42 AuthenticAMD-23-04 v1 amdfam17h core
43 AuthenticAMD-23-05 v1 amdfam17h core
44 HygonGenuine-24-00 v1 amdfam17h core

3
sys/dev/hwpmc/hwpmc_amd.c
View File

@ -1089,6 +1089,9 @@ pmc_amd_initialize(void)
if (CPUID_TO_FAMILY(cpu_id) == 0x17)
snprintf(pmc_cpuid, sizeof(pmc_cpuid), "AuthenticAMD-%d-%02X",
CPUID_TO_FAMILY(cpu_id), model);
if (CPUID_TO_FAMILY(cpu_id) == 0x18)
snprintf(pmc_cpuid, sizeof(pmc_cpuid), "HygonGenuine-%d-%02X",
CPUID_TO_FAMILY(cpu_id), model);
switch (cpu_id & 0xF00) {
#if defined(__i386__)

6
sys/dev/hwpmc/hwpmc_x86.c
View File

@ -248,7 +248,8 @@ pmc_md_initialize()
struct pmc_mdep *md;
/* determine the CPU kind */
if (cpu_vendor_id == CPU_VENDOR_AMD)
if (cpu_vendor_id == CPU_VENDOR_AMD ||
cpu_vendor_id == CPU_VENDOR_HYGON)
md = pmc_amd_initialize();
else if (cpu_vendor_id == CPU_VENDOR_INTEL)
md = pmc_intel_initialize();
@ -271,7 +272,8 @@ pmc_md_finalize(struct pmc_mdep *md)
{
lapic_disable_pmc();
if (cpu_vendor_id == CPU_VENDOR_AMD)
if (cpu_vendor_id == CPU_VENDOR_AMD ||
cpu_vendor_id == CPU_VENDOR_HYGON)
pmc_amd_finalize(md);
else if (cpu_vendor_id == CPU_VENDOR_INTEL)
pmc_intel_finalize(md);