The following commit has been merged into the x86/misc branch of tip: Commit-ID: 4810dd2c943edd98cd41a12b96745b16b1d6b4f5 Gitweb: https://git.kernel.org/tip/4810dd2c943edd98cd41a12b96745b16b1d6b4f5 Author: Adrian Hunter <adrian.hunter@xxxxxxxxx> AuthorDate: Thu, 02 Dec 2021 11:50:24 +02:00 Committer: Borislav Petkov <bp@xxxxxxx> CommitterDate: Sun, 23 Jan 2022 20:37:42 +01:00 perf/tests: Add AMX instructions to x86 instruction decoder test The x86 instruction decoder is used for both kernel instructions and user space instructions (e.g. uprobes, perf tools Intel PT), so it is good to update it with new instructions. Add AMX instructions to the x86 instruction decoder test. A subsequent patch adds the instructions to the instruction decoder. Reference: Intel Architecture Instruction Set Extensions and Future Features Programming Reference May 2021 Document Number: 319433-044 Example: $ INSN='ldtilecfg\|sttilecfg\|tdpbf16ps\|tdpbssd\|' $ INSN+='tdpbsud\|tdpbusd\|'tdpbuud\|tileloadd\|' $ INSN+='tileloaddt1\|tilerelease\|tilestored\|tilezero' $ perf test -v "x86 instruction decoder" |& grep -i $INSN Failed to decode: c4 e2 78 49 04 c8 ldtilecfg (%rax,%rcx,8) Failed to decode: c4 c2 78 49 04 c8 ldtilecfg (%r8,%rcx,8) Failed to decode: c4 e2 79 49 04 c8 sttilecfg (%rax,%rcx,8) Failed to decode: c4 c2 79 49 04 c8 sttilecfg (%r8,%rcx,8) Failed to decode: c4 e2 7a 5c d1 tdpbf16ps %tmm0,%tmm1,%tmm2 Failed to decode: c4 e2 7b 5e d1 tdpbssd %tmm0,%tmm1,%tmm2 Failed to decode: c4 e2 7a 5e d1 tdpbsud %tmm0,%tmm1,%tmm2 Failed to decode: c4 e2 79 5e d1 tdpbusd %tmm0,%tmm1,%tmm2 Failed to decode: c4 e2 78 5e d1 tdpbuud %tmm0,%tmm1,%tmm2 Failed to decode: c4 e2 7b 4b 0c c8 tileloadd (%rax,%rcx,8),%tmm1 Failed to decode: c4 c2 7b 4b 14 c8 tileloadd (%r8,%rcx,8),%tmm2 Failed to decode: c4 e2 79 4b 0c c8 tileloaddt1 (%rax,%rcx,8),%tmm1 Failed to decode: c4 c2 79 4b 14 c8 tileloaddt1 (%r8,%rcx,8),%tmm2 Failed to decode: c4 e2 78 49 c0 tilerelease Failed to decode: c4 e2 7a 4b 0c c8 tilestored %tmm1,(%rax,%rcx,8) Failed to decode: c4 c2 7a 4b 14 c8 tilestored %tmm2,(%r8,%rcx,8) Failed to decode: c4 e2 7b 49 c0 tilezero %tmm0 Failed to decode: c4 e2 7b 49 f8 tilezero %tmm7 Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx> Signed-off-by: Borislav Petkov <bp@xxxxxxx> Acked-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> Acked-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx> Link: https://lore.kernel.org/r/20211202095029.2165714-2-adrian.hunter@xxxxxxxxx --- tools/perf/arch/x86/tests/insn-x86-dat-64.c | 36 +++++++++++++++++++- tools/perf/arch/x86/tests/insn-x86-dat-src.c | 21 +++++++++++- 2 files changed, 57 insertions(+) diff --git a/tools/perf/arch/x86/tests/insn-x86-dat-64.c b/tools/perf/arch/x86/tests/insn-x86-dat-64.c index 5da17d4..3548565 100644 --- a/tools/perf/arch/x86/tests/insn-x86-dat-64.c +++ b/tools/perf/arch/x86/tests/insn-x86-dat-64.c @@ -2459,6 +2459,42 @@ "3e f2 ff a4 c8 78 56 34 12 \tnotrack bnd jmpq *0x12345678(%rax,%rcx,8)",}, {{0x3e, 0xf2, 0x41, 0xff, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "jmp", "indirect", "3e f2 41 ff a4 c8 78 56 34 12 \tnotrack bnd jmpq *0x12345678(%r8,%rcx,8)",}, +{{0xc4, 0xe2, 0x78, 0x49, 0x04, 0xc8, }, 6, 0, "", "", +"c4 e2 78 49 04 c8 \tldtilecfg (%rax,%rcx,8)",}, +{{0xc4, 0xc2, 0x78, 0x49, 0x04, 0xc8, }, 6, 0, "", "", +"c4 c2 78 49 04 c8 \tldtilecfg (%r8,%rcx,8)",}, +{{0xc4, 0xe2, 0x79, 0x49, 0x04, 0xc8, }, 6, 0, "", "", +"c4 e2 79 49 04 c8 \tsttilecfg (%rax,%rcx,8)",}, +{{0xc4, 0xc2, 0x79, 0x49, 0x04, 0xc8, }, 6, 0, "", "", +"c4 c2 79 49 04 c8 \tsttilecfg (%r8,%rcx,8)",}, +{{0xc4, 0xe2, 0x7a, 0x5c, 0xd1, }, 5, 0, "", "", +"c4 e2 7a 5c d1 \ttdpbf16ps %tmm0,%tmm1,%tmm2",}, +{{0xc4, 0xe2, 0x7b, 0x5e, 0xd1, }, 5, 0, "", "", +"c4 e2 7b 5e d1 \ttdpbssd %tmm0,%tmm1,%tmm2",}, +{{0xc4, 0xe2, 0x7a, 0x5e, 0xd1, }, 5, 0, "", "", +"c4 e2 7a 5e d1 \ttdpbsud %tmm0,%tmm1,%tmm2",}, +{{0xc4, 0xe2, 0x79, 0x5e, 0xd1, }, 5, 0, "", "", +"c4 e2 79 5e d1 \ttdpbusd %tmm0,%tmm1,%tmm2",}, +{{0xc4, 0xe2, 0x78, 0x5e, 0xd1, }, 5, 0, "", "", +"c4 e2 78 5e d1 \ttdpbuud %tmm0,%tmm1,%tmm2",}, +{{0xc4, 0xe2, 0x7b, 0x4b, 0x0c, 0xc8, }, 6, 0, "", "", +"c4 e2 7b 4b 0c c8 \ttileloadd (%rax,%rcx,8),%tmm1",}, +{{0xc4, 0xc2, 0x7b, 0x4b, 0x14, 0xc8, }, 6, 0, "", "", +"c4 c2 7b 4b 14 c8 \ttileloadd (%r8,%rcx,8),%tmm2",}, +{{0xc4, 0xe2, 0x79, 0x4b, 0x0c, 0xc8, }, 6, 0, "", "", +"c4 e2 79 4b 0c c8 \ttileloaddt1 (%rax,%rcx,8),%tmm1",}, +{{0xc4, 0xc2, 0x79, 0x4b, 0x14, 0xc8, }, 6, 0, "", "", +"c4 c2 79 4b 14 c8 \ttileloaddt1 (%r8,%rcx,8),%tmm2",}, +{{0xc4, 0xe2, 0x78, 0x49, 0xc0, }, 5, 0, "", "", +"c4 e2 78 49 c0 \ttilerelease ",}, +{{0xc4, 0xe2, 0x7a, 0x4b, 0x0c, 0xc8, }, 6, 0, "", "", +"c4 e2 7a 4b 0c c8 \ttilestored %tmm1,(%rax,%rcx,8)",}, +{{0xc4, 0xc2, 0x7a, 0x4b, 0x14, 0xc8, }, 6, 0, "", "", +"c4 c2 7a 4b 14 c8 \ttilestored %tmm2,(%r8,%rcx,8)",}, +{{0xc4, 0xe2, 0x7b, 0x49, 0xc0, }, 5, 0, "", "", +"c4 e2 7b 49 c0 \ttilezero %tmm0",}, +{{0xc4, 0xe2, 0x7b, 0x49, 0xf8, }, 5, 0, "", "", +"c4 e2 7b 49 f8 \ttilezero %tmm7",}, {{0x0f, 0x01, 0xcf, }, 3, 0, "", "", "0f 01 cf \tencls ",}, {{0x0f, 0x01, 0xd7, }, 3, 0, "", "", diff --git a/tools/perf/arch/x86/tests/insn-x86-dat-src.c b/tools/perf/arch/x86/tests/insn-x86-dat-src.c index c3808e9..7906f7b 100644 --- a/tools/perf/arch/x86/tests/insn-x86-dat-src.c +++ b/tools/perf/arch/x86/tests/insn-x86-dat-src.c @@ -1910,6 +1910,27 @@ int main(void) asm volatile("notrack bnd jmpq *0x12345678(%rax,%rcx,8)"); /* Expecting: jmp indirect 0 */ asm volatile("notrack bnd jmpq *0x12345678(%r8,%rcx,8)"); /* Expecting: jmp indirect 0 */ + /* AMX */ + + asm volatile("ldtilecfg (%rax,%rcx,8)"); + asm volatile("ldtilecfg (%r8,%rcx,8)"); + asm volatile("sttilecfg (%rax,%rcx,8)"); + asm volatile("sttilecfg (%r8,%rcx,8)"); + asm volatile("tdpbf16ps %tmm0, %tmm1, %tmm2"); + asm volatile("tdpbssd %tmm0, %tmm1, %tmm2"); + asm volatile("tdpbsud %tmm0, %tmm1, %tmm2"); + asm volatile("tdpbusd %tmm0, %tmm1, %tmm2"); + asm volatile("tdpbuud %tmm0, %tmm1, %tmm2"); + asm volatile("tileloadd (%rax,%rcx,8), %tmm1"); + asm volatile("tileloadd (%r8,%rcx,8), %tmm2"); + asm volatile("tileloaddt1 (%rax,%rcx,8), %tmm1"); + asm volatile("tileloaddt1 (%r8,%rcx,8), %tmm2"); + asm volatile("tilerelease"); + asm volatile("tilestored %tmm1, (%rax,%rcx,8)"); + asm volatile("tilestored %tmm2, (%r8,%rcx,8)"); + asm volatile("tilezero %tmm0"); + asm volatile("tilezero %tmm7"); + #else /* #ifdef __x86_64__ */ /* bound r32, mem (same op code as EVEX prefix) */
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