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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Jan 2026 02:44:20.5286 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 56402fc0-af03-4bdd-1447-08de5704a5ca X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000E9DC.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4248 Content-Type: text/plain; charset="utf-8" Newer AMD CPUs can tag IBS samples that originate from streaming- store instruction. When the PMU advertises this feature, interpret IBS_OP_DATA2[8] bit as the streaming store indicator and show it in the raw dump output. Signed-off-by: Ravi Bangoria --- tools/perf/util/amd-sample-raw.c | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/tools/perf/util/amd-sample-raw.c b/tools/perf/util/amd-sample-= raw.c index 3e5530008b14..394c061fbeb3 100644 --- a/tools/perf/util/amd-sample-raw.c +++ b/tools/perf/util/amd-sample-raw.c @@ -22,6 +22,7 @@ static bool zen4_ibs_extensions; static bool ldlat_cap; static bool dtlb_pgsize_cap; static bool rmtsocket_cap; +static bool strmst_cap; =20 /* * Status fields of IBS_FETCH_CTL and IBS_FETCH_CTL_EXT are valid only if @@ -166,12 +167,15 @@ static void pr_ibs_op_data2_extended(union ibs_op_dat= a2 reg) }; int data_src =3D (reg.data_src_hi << 3) | reg.data_src_lo; char rmtsocket[sizeof("RmtSocket _ ")] =3D ""; + char strmst[sizeof("StrmSt _ ")] =3D ""; =20 if (rmtsocket_cap) snprintf(rmtsocket, sizeof(rmtsocket), "RmtSocket %d ", reg.rmt_socket); + if (strmst_cap) + snprintf(strmst, sizeof(strmst), "StrmSt %d ", reg.strm_st); =20 - printf("ibs_op_data2:\t%016llx %s%sRmtNode %d%s\n", reg.val, - rmtsocket, + printf("ibs_op_data2:\t%016llx %s%s%sRmtNode %d%s\n", reg.val, + rmtsocket, strmst, (data_src =3D=3D 1 || data_src =3D=3D 2 || data_src =3D=3D 5) ? (reg.cache_hit_st ? "CacheHitSt 1=3DO-State " : "CacheHitSt 0=3DM-state= ") : "", reg.rmt_node, @@ -191,12 +195,15 @@ static void pr_ibs_op_data2_default(union ibs_op_data= 2 reg) " DataSrc 7=3DOther" }; char rmtsocket[sizeof("RmtSocket _ ")] =3D ""; + char strmst[sizeof("StrmSt _ ")] =3D ""; =20 if (rmtsocket_cap) snprintf(rmtsocket, sizeof(rmtsocket), "RmtSocket %d ", reg.rmt_socket); + if (strmst_cap) + snprintf(strmst, sizeof(strmst), "StrmSt %d ", reg.strm_st); =20 - printf("ibs_op_data2:\t%016llx %s%sRmtNode %d%s\n", reg.val, - rmtsocket, + printf("ibs_op_data2:\t%016llx %s%s%sRmtNode %d%s\n", reg.val, + rmtsocket, strmst, reg.data_src_lo =3D=3D 2 ? (reg.cache_hit_st ? "CacheHitSt 1=3DO-S= tate " : "CacheHitSt 0=3DM-state ") : "", reg.rmt_node, data_src_str[reg.data_src_lo]); @@ -443,6 +450,9 @@ bool evlist__has_amd_ibs(struct evlist *evlist) if (perf_env__find_pmu_cap(env, "ibs_op", "rmtsocket")) rmtsocket_cap =3D 1; =20 + if (perf_env__find_pmu_cap(env, "ibs_op", "strmst")) + strmst_cap =3D 1; + if (ibs_fetch_type || ibs_op_type) { if (!cpu_family) parse_cpuid(env); --=20 2.43.0