linux-kernel - [PATCH v4 4/5] perf tool ibs: Sync amd ibs header file

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Message-ID: <20220523033945.1612-5-ravi.bangoria@amd.com>
Date:   Mon, 23 May 2022 09:09:44 +0530
From:   Ravi Bangoria <ravi.bangoria@....com>
To:     <acme@...nel.org>
CC:     <ravi.bangoria@....com>, <irogers@...gle.com>,
        <peterz@...radead.org>, <rrichter@....com>, <mingo@...hat.com>,
        <mark.rutland@....com>, <jolsa@...nel.org>, <namhyung@...nel.org>,
        <tglx@...utronix.de>, <bp@...en8.de>, <james.clark@....com>,
        <leo.yan@...aro.org>, <kan.liang@...ux.intel.com>,
        <ak@...ux.intel.com>, <eranian@...gle.com>,
        <like.xu.linux@...il.com>, <x86@...nel.org>,
        <linux-perf-users@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <sandipan.das@....com>, <ananth.narayan@....com>,
        <kim.phillips@....com>, <santosh.shukla@....com>
Subject: [PATCH v4 4/5] perf tool ibs: Sync amd ibs header file

IBS support has been enhanced with two new features in upcoming uarch:
1. DataSrc extension and 2. L3 miss filtering. Additional set of bits
has been introduced in IBS registers to exploit these features.
New bits are already defining in arch/x86/ header. Sync it with tools
header file. Also rename existing ibs_op_data field 'data_src' to
'data_src_lo'.

Signed-off-by: Ravi Bangoria <ravi.bangoria@....com>
---
 tools/arch/x86/include/asm/amd-ibs.h | 16 ++++++++++------
 tools/perf/util/amd-sample-raw.c     |  4 ++--
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/tools/arch/x86/include/asm/amd-ibs.h b/tools/arch/x86/include/asm/amd-ibs.h
index 765e9e752d03..9a3312e12e2e 100644
--- a/tools/arch/x86/include/asm/amd-ibs.h
+++ b/tools/arch/x86/include/asm/amd-ibs.h
@@ -29,7 +29,10 @@ union ibs_fetch_ctl {
 			rand_en:1,	/* 57: random tagging enable */
 			fetch_l2_miss:1,/* 58: L2 miss for sampled fetch
 					 *      (needs IbsFetchComp) */
-			reserved:5;	/* 59-63: reserved */
+			l3_miss_only:1,	/* 59: Collect L3 miss samples only */
+			fetch_oc_miss:1,/* 60: Op cache miss for the sampled fetch */
+			fetch_l3_miss:1,/* 61: L3 cache miss for the sampled fetch */
+			reserved:2;	/* 62-63: reserved */
 	};
 };
 
@@ -38,14 +41,14 @@ union ibs_op_ctl {
 	__u64 val;
 	struct {
 		__u64	opmaxcnt:16,	/* 0-15: periodic op max. count */
-			reserved0:1,	/* 16: reserved */
+			l3_miss_only:1,	/* 16: Collect L3 miss samples only */
 			op_en:1,	/* 17: op sampling enable */
 			op_val:1,	/* 18: op sample valid */
 			cnt_ctl:1,	/* 19: periodic op counter control */
 			opmaxcnt_ext:7,	/* 20-26: upper 7 bits of periodic op maximum count */
-			reserved1:5,	/* 27-31: reserved */
+			reserved0:5,	/* 27-31: reserved */
 			opcurcnt:27,	/* 32-58: periodic op counter current count */
-			reserved2:5;	/* 59-63: reserved */
+			reserved1:5;	/* 59-63: reserved */
 	};
 };
 
@@ -71,11 +74,12 @@ union ibs_op_data {
 union ibs_op_data2 {
 	__u64 val;
 	struct {
-		__u64	data_src:3,	/* 0-2: data source */
+		__u64	data_src_lo:3,	/* 0-2: data source low */
 			reserved0:1,	/* 3: reserved */
 			rmt_node:1,	/* 4: destination node */
 			cache_hit_st:1,	/* 5: cache hit state */
-			reserved1:57;	/* 5-63: reserved */
+			data_src_hi:2,	/* 6-7: data source high */
+			reserved1:56;	/* 8-63: reserved */
 	};
 };
 
diff --git a/tools/perf/util/amd-sample-raw.c b/tools/perf/util/amd-sample-raw.c
index d19d765195c5..3b623ea6ee7e 100644
--- a/tools/perf/util/amd-sample-raw.c
+++ b/tools/perf/util/amd-sample-raw.c
@@ -98,9 +98,9 @@ static void pr_ibs_op_data2(union ibs_op_data2 reg)
 	};
 
 	printf("ibs_op_data2:\t%016llx %sRmtNode %d%s\n", reg.val,
-	       reg.data_src == 2 ? (reg.cache_hit_st ? "CacheHitSt 1=O-State "
+	       reg.data_src_lo == 2 ? (reg.cache_hit_st ? "CacheHitSt 1=O-State "
 						     : "CacheHitSt 0=M-state ") : "",
-	       reg.rmt_node, data_src_str[reg.data_src]);
+	       reg.rmt_node, data_src_str[reg.data_src_lo]);
 }
 
 static void pr_ibs_op_data3(union ibs_op_data3 reg)
-- 
2.31.1