linux-kernel - [PATCH V3 09/14] tools/perf: Add more instructions for instruction tracking

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Date: Sat,  1 Jun 2024 11:39:36 +0530
From: Athira Rajeev <atrajeev@...ux.vnet.ibm.com>
To: acme@...nel.org, jolsa@...nel.org, adrian.hunter@...el.com,
        irogers@...gle.com, namhyung@...nel.org, segher@...nel.crashing.org,
        christophe.leroy@...roup.eu
Cc: linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, akanksha@...ux.ibm.com,
        maddy@...ux.ibm.com, atrajeev@...ux.vnet.ibm.com, kjain@...ux.ibm.com,
        disgoel@...ux.vnet.ibm.com
Subject: [PATCH V3 09/14] tools/perf: Add more instructions for instruction tracking

Add few more instructions and use opcode as search key
to find if it is supported by the architecture. Added ones
are: addi, addic, addic., addis, subfic and mulli

Signed-off-by: Athira Rajeev <atrajeev@...ux.vnet.ibm.com>
---
 tools/perf/arch/powerpc/annotate/instructions.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/tools/perf/arch/powerpc/annotate/instructions.c b/tools/perf/arch/powerpc/annotate/instructions.c
index bec8ab0ee18d..db72148eb857 100644
--- a/tools/perf/arch/powerpc/annotate/instructions.c
+++ b/tools/perf/arch/powerpc/annotate/instructions.c
@@ -172,6 +172,14 @@ static struct insn_offset arithmetic_ins_op_31[] = {
 	{ .name = "DIV_W_XO_FORM",	.value = 491, },
 };
 
+static struct insn_offset arithmetic_two_ops[] = {
+	{ .name = "mulli",      .value = 7, },
+	{ .name = "subfic",     .value = 8, },
+	{ .name = "addic",      .value = 12, },
+	{ .name = "addic.",     .value = 13, },
+	{ .name = "addi",       .value = 14, },
+	{ .name = "addis",      .value = 15, },
+};
 
 static int cmp_offset(const void *a, const void *b)
 {
@@ -212,6 +220,12 @@ static struct ins_ops *check_ppc_insn(int raw_insn)
 			if (PPC_21_30(raw_insn) == 444)
 				return &arithmetic_ops;
 		}
+	} else {
+		mem_insns_31_opcode.value = opcode;
+		ret = bsearch(&mem_insns_31_opcode, arithmetic_two_ops, ARRAY_SIZE(arithmetic_two_ops),
+				sizeof(arithmetic_two_ops[0]), cmp_offset);
+		if (ret != NULL)
+			return &arithmetic_ops;
 	}
 
 	return NULL;
-- 
2.43.0