[tip:perf/core] x86/insn: perf tools: Add new xsave instructions

From: tip-bot for Adrian Hunter
Date: Tue Sep 08 2015 - 10:39:02 EST

Next message: tip-bot for Adrian Hunter: "[tip:perf/core] perf intel-pt: Add support for PERF_RECORD_SWITCH"
Previous message: tip-bot for Kan Liang: "[tip:perf/core] perf session: Don't call dump_sample() when evsel is NULL"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Commit-ID: f83b6b64eba155cfb43ab8a5d9c422c3e7f603e6
Gitweb: http://git.kernel.org/tip/f83b6b64eba155cfb43ab8a5d9c422c3e7f603e6
Author: Adrian Hunter <adrian.hunter@xxxxxxxxx>
AuthorDate: Wed, 2 Sep 2015 15:15:31 +0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Fri, 4 Sep 2015 12:01:04 -0300

x86/insn: perf tools: Add new xsave instructions

Add xsavec, xsaves and xrstors to the op code map and the perf tools new
instructions test. To run the test:

$ tools/perf/perf test "x86 ins"
39: Test x86 instruction decoder - new instructions : Ok

Or to see the details:

$ tools/perf/perf test -v "x86 ins" 2>&1 | grep 'xsave\|xrst'

For information about xsavec, xsaves and xrstors, refer the Intel SDM.

Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Denys Vlasenko <dvlasenk@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Qiaowei Ren <qiaowei.ren@xxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1441196131-20632-8-git-send-email-adrian.hunter@xxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
arch/x86/lib/x86-opcode-map.txt | 3 ++
tools/perf/tests/insn-x86-dat-32.c | 18 ++++++++++
tools/perf/tests/insn-x86-dat-64.c | 30 ++++++++++++++++
tools/perf/tests/insn-x86-dat-src.c | 42 ++++++++++++++++++++++
.../perf/util/intel-pt-decoder/x86-opcode-map.txt | 3 ++
5 files changed, 96 insertions(+)

diff --git a/arch/x86/lib/x86-opcode-map.txt b/arch/x86/lib/x86-opcode-map.txt
index 5a9705e..d388de7 100644
--- a/arch/x86/lib/x86-opcode-map.txt
+++ b/arch/x86/lib/x86-opcode-map.txt
@@ -899,6 +899,9 @@ EndTable

GrpTable: Grp9
1: CMPXCHG8B/16B Mq/Mdq
+3: xrstors
+4: xsavec
+5: xsaves
6: VMPTRLD Mq | VMCLEAR Mq (66) | VMXON Mq (F3) | RDRAND Rv (11B)
7: VMPTRST Mq | VMPTRST Mq (F3) | RDSEED Rv (11B)
EndTable
diff --git a/tools/perf/tests/insn-x86-dat-32.c b/tools/perf/tests/insn-x86-dat-32.c
index 4b09b7e..3b491cf 100644
--- a/tools/perf/tests/insn-x86-dat-32.c
+++ b/tools/perf/tests/insn-x86-dat-32.c
@@ -636,5 +636,23 @@
"0f ae 30 \txsaveopt (%eax)",},
{{0x0f, 0xae, 0xf0, }, 3, 0, "", "",
"0f ae f0 \tmfence ",},
+{{0x0f, 0xc7, 0x20, }, 3, 0, "", "",
+"0f c7 20 \txsavec (%eax)",},
+{{0x0f, 0xc7, 0x25, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "",
+"0f c7 25 78 56 34 12 \txsavec 0x12345678",},
+{{0x0f, 0xc7, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f c7 a4 c8 78 56 34 12 \txsavec 0x12345678(%eax,%ecx,8)",},
+{{0x0f, 0xc7, 0x28, }, 3, 0, "", "",
+"0f c7 28 \txsaves (%eax)",},
+{{0x0f, 0xc7, 0x2d, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "",
+"0f c7 2d 78 56 34 12 \txsaves 0x12345678",},
+{{0x0f, 0xc7, 0xac, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f c7 ac c8 78 56 34 12 \txsaves 0x12345678(%eax,%ecx,8)",},
+{{0x0f, 0xc7, 0x18, }, 3, 0, "", "",
+"0f c7 18 \txrstors (%eax)",},
+{{0x0f, 0xc7, 0x1d, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "",
+"0f c7 1d 78 56 34 12 \txrstors 0x12345678",},
+{{0x0f, 0xc7, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f c7 9c c8 78 56 34 12 \txrstors 0x12345678(%eax,%ecx,8)",},
{{0x66, 0x0f, 0xae, 0xf8, }, 4, 0, "", "",
"66 0f ae f8 \tpcommit ",},
diff --git a/tools/perf/tests/insn-x86-dat-64.c b/tools/perf/tests/insn-x86-dat-64.c
index 5da235a..4fe7cce 100644
--- a/tools/perf/tests/insn-x86-dat-64.c
+++ b/tools/perf/tests/insn-x86-dat-64.c
@@ -734,5 +734,35 @@
"41 0f ae 30 \txsaveopt (%r8)",},
{{0x0f, 0xae, 0xf0, }, 3, 0, "", "",
"0f ae f0 \tmfence ",},
+{{0x0f, 0xc7, 0x20, }, 3, 0, "", "",
+"0f c7 20 \txsavec (%rax)",},
+{{0x41, 0x0f, 0xc7, 0x20, }, 4, 0, "", "",
+"41 0f c7 20 \txsavec (%r8)",},
+{{0x0f, 0xc7, 0x24, 0x25, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f c7 24 25 78 56 34 12 \txsavec 0x12345678",},
+{{0x0f, 0xc7, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f c7 a4 c8 78 56 34 12 \txsavec 0x12345678(%rax,%rcx,8)",},
+{{0x41, 0x0f, 0xc7, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"41 0f c7 a4 c8 78 56 34 12 \txsavec 0x12345678(%r8,%rcx,8)",},
+{{0x0f, 0xc7, 0x28, }, 3, 0, "", "",
+"0f c7 28 \txsaves (%rax)",},
+{{0x41, 0x0f, 0xc7, 0x28, }, 4, 0, "", "",
+"41 0f c7 28 \txsaves (%r8)",},
+{{0x0f, 0xc7, 0x2c, 0x25, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f c7 2c 25 78 56 34 12 \txsaves 0x12345678",},
+{{0x0f, 0xc7, 0xac, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f c7 ac c8 78 56 34 12 \txsaves 0x12345678(%rax,%rcx,8)",},
+{{0x41, 0x0f, 0xc7, 0xac, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"41 0f c7 ac c8 78 56 34 12 \txsaves 0x12345678(%r8,%rcx,8)",},
+{{0x0f, 0xc7, 0x18, }, 3, 0, "", "",
+"0f c7 18 \txrstors (%rax)",},
+{{0x41, 0x0f, 0xc7, 0x18, }, 4, 0, "", "",
+"41 0f c7 18 \txrstors (%r8)",},
+{{0x0f, 0xc7, 0x1c, 0x25, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f c7 1c 25 78 56 34 12 \txrstors 0x12345678",},
+{{0x0f, 0xc7, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f c7 9c c8 78 56 34 12 \txrstors 0x12345678(%rax,%rcx,8)",},
+{{0x41, 0x0f, 0xc7, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"41 0f c7 9c c8 78 56 34 12 \txrstors 0x12345678(%r8,%rcx,8)",},
{{0x66, 0x0f, 0xae, 0xf8, }, 4, 0, "", "",
"66 0f ae f8 \tpcommit ",},
diff --git a/tools/perf/tests/insn-x86-dat-src.c b/tools/perf/tests/insn-x86-dat-src.c
index 482637f..41b1b1c 100644
--- a/tools/perf/tests/insn-x86-dat-src.c
+++ b/tools/perf/tests/insn-x86-dat-src.c
@@ -445,6 +445,30 @@ int main(void)
asm volatile("xsaveopt (%r8)");
asm volatile("mfence");

+ /* xsavec mem */
+
+ asm volatile("xsavec (%rax)");
+ asm volatile("xsavec (%r8)");
+ asm volatile("xsavec (0x12345678)");
+ asm volatile("xsavec 0x12345678(%rax,%rcx,8)");
+ asm volatile("xsavec 0x12345678(%r8,%rcx,8)");
+
+ /* xsaves mem */
+
+ asm volatile("xsaves (%rax)");
+ asm volatile("xsaves (%r8)");
+ asm volatile("xsaves (0x12345678)");
+ asm volatile("xsaves 0x12345678(%rax,%rcx,8)");
+ asm volatile("xsaves 0x12345678(%r8,%rcx,8)");
+
+ /* xrstors mem */
+
+ asm volatile("xrstors (%rax)");
+ asm volatile("xrstors (%r8)");
+ asm volatile("xrstors (0x12345678)");
+ asm volatile("xrstors 0x12345678(%rax,%rcx,8)");
+ asm volatile("xrstors 0x12345678(%r8,%rcx,8)");
+
#else /* #ifdef __x86_64__ */

/* bndmk m32, bnd */
@@ -822,6 +846,24 @@ int main(void)
asm volatile("xsaveopt (%eax)");
asm volatile("mfence");

+ /* xsavec mem */
+
+ asm volatile("xsavec (%eax)");
+ asm volatile("xsavec (0x12345678)");
+ asm volatile("xsavec 0x12345678(%eax,%ecx,8)");
+
+ /* xsaves mem */
+
+ asm volatile("xsaves (%eax)");
+ asm volatile("xsaves (0x12345678)");
+ asm volatile("xsaves 0x12345678(%eax,%ecx,8)");
+
+ /* xrstors mem */
+
+ asm volatile("xrstors (%eax)");
+ asm volatile("xrstors (0x12345678)");
+ asm volatile("xrstors 0x12345678(%eax,%ecx,8)");
+
#endif /* #ifndef __x86_64__ */

/* pcommit */
diff --git a/tools/perf/util/intel-pt-decoder/x86-opcode-map.txt b/tools/perf/util/intel-pt-decoder/x86-opcode-map.txt
index 5a9705e..d388de7 100644
--- a/tools/perf/util/intel-pt-decoder/x86-opcode-map.txt
+++ b/tools/perf/util/intel-pt-decoder/x86-opcode-map.txt
@@ -899,6 +899,9 @@ EndTable

GrpTable: Grp9
1: CMPXCHG8B/16B Mq/Mdq
+3: xrstors
+4: xsavec
+5: xsaves
6: VMPTRLD Mq | VMCLEAR Mq (66) | VMXON Mq (F3) | RDRAND Rv (11B)
7: VMPTRST Mq | VMPTRST Mq (F3) | RDSEED Rv (11B)
EndTable
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

Next message: tip-bot for Adrian Hunter: "[tip:perf/core] perf intel-pt: Add support for PERF_RECORD_SWITCH"
Previous message: tip-bot for Kan Liang: "[tip:perf/core] perf session: Don't call dump_sample() when evsel is NULL"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]