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-rw-r--r--tools/perf/arch/x86/tests/insn-x86-dat-32.c52
-rw-r--r--tools/perf/arch/x86/tests/insn-x86-dat-64.c62
-rw-r--r--tools/perf/arch/x86/tests/insn-x86-dat-src.c109
-rw-r--r--tools/perf/arch/x86/tests/perf-time-to-tsc.c9
-rw-r--r--tools/perf/arch/x86/util/auxtrace.c4
-rw-r--r--tools/perf/arch/x86/util/event.c2
-rw-r--r--tools/perf/arch/x86/util/intel-bts.c5
-rw-r--r--tools/perf/arch/x86/util/intel-pt.c81
8 files changed, 318 insertions, 6 deletions
diff --git a/tools/perf/arch/x86/tests/insn-x86-dat-32.c b/tools/perf/arch/x86/tests/insn-x86-dat-32.c
index fab3c6de73fa..58f8f2a095c4 100644
--- a/tools/perf/arch/x86/tests/insn-x86-dat-32.c
+++ b/tools/perf/arch/x86/tests/insn-x86-dat-32.c
@@ -1647,6 +1647,12 @@
"0f ae 30 \txsaveopt (%eax)",},
{{0x0f, 0xae, 0xf0, }, 3, 0, "", "",
"0f ae f0 \tmfence ",},
+{{0x0f, 0x1c, 0x00, }, 3, 0, "", "",
+"0f 1c 00 \tcldemote (%eax)",},
+{{0x0f, 0x1c, 0x05, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "",
+"0f 1c 05 78 56 34 12 \tcldemote 0x12345678",},
+{{0x0f, 0x1c, 0x84, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f 1c 84 c8 78 56 34 12 \tcldemote 0x12345678(%eax,%ecx,8)",},
{{0x0f, 0xc7, 0x20, }, 3, 0, "", "",
"0f c7 20 \txsavec (%eax)",},
{{0x0f, 0xc7, 0x25, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "",
@@ -1677,3 +1683,49 @@
"f3 0f ae 25 78 56 34 12 \tptwritel 0x12345678",},
{{0xf3, 0x0f, 0xae, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
"f3 0f ae a4 c8 78 56 34 12 \tptwritel 0x12345678(%eax,%ecx,8)",},
+{{0x66, 0x0f, 0xae, 0xf3, }, 4, 0, "", "",
+"66 0f ae f3 \ttpause %ebx",},
+{{0x67, 0xf3, 0x0f, 0xae, 0xf0, }, 5, 0, "", "",
+"67 f3 0f ae f0 \tumonitor %ax",},
+{{0xf3, 0x0f, 0xae, 0xf0, }, 4, 0, "", "",
+"f3 0f ae f0 \tumonitor %eax",},
+{{0xf2, 0x0f, 0xae, 0xf0, }, 4, 0, "", "",
+"f2 0f ae f0 \tumwait %eax",},
+{{0x0f, 0x38, 0xf9, 0x03, }, 4, 0, "", "",
+"0f 38 f9 03 \tmovdiri %eax,(%ebx)",},
+{{0x0f, 0x38, 0xf9, 0x88, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f 38 f9 88 78 56 34 12 \tmovdiri %ecx,0x12345678(%eax)",},
+{{0x66, 0x0f, 0x38, 0xf8, 0x18, }, 5, 0, "", "",
+"66 0f 38 f8 18 \tmovdir64b (%eax),%ebx",},
+{{0x66, 0x0f, 0x38, 0xf8, 0x88, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"66 0f 38 f8 88 78 56 34 12 \tmovdir64b 0x12345678(%eax),%ecx",},
+{{0x67, 0x66, 0x0f, 0x38, 0xf8, 0x1c, }, 6, 0, "", "",
+"67 66 0f 38 f8 1c \tmovdir64b (%si),%bx",},
+{{0x67, 0x66, 0x0f, 0x38, 0xf8, 0x8c, 0x34, 0x12, }, 8, 0, "", "",
+"67 66 0f 38 f8 8c 34 12 \tmovdir64b 0x1234(%si),%cx",},
+{{0xf2, 0x0f, 0x38, 0xf8, 0x18, }, 5, 0, "", "",
+"f2 0f 38 f8 18 \tenqcmd (%eax),%ebx",},
+{{0xf2, 0x0f, 0x38, 0xf8, 0x88, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"f2 0f 38 f8 88 78 56 34 12 \tenqcmd 0x12345678(%eax),%ecx",},
+{{0x67, 0xf2, 0x0f, 0x38, 0xf8, 0x1c, }, 6, 0, "", "",
+"67 f2 0f 38 f8 1c \tenqcmd (%si),%bx",},
+{{0x67, 0xf2, 0x0f, 0x38, 0xf8, 0x8c, 0x34, 0x12, }, 8, 0, "", "",
+"67 f2 0f 38 f8 8c 34 12 \tenqcmd 0x1234(%si),%cx",},
+{{0xf3, 0x0f, 0x38, 0xf8, 0x18, }, 5, 0, "", "",
+"f3 0f 38 f8 18 \tenqcmds (%eax),%ebx",},
+{{0xf3, 0x0f, 0x38, 0xf8, 0x88, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"f3 0f 38 f8 88 78 56 34 12 \tenqcmds 0x12345678(%eax),%ecx",},
+{{0x67, 0xf3, 0x0f, 0x38, 0xf8, 0x1c, }, 6, 0, "", "",
+"67 f3 0f 38 f8 1c \tenqcmds (%si),%bx",},
+{{0x67, 0xf3, 0x0f, 0x38, 0xf8, 0x8c, 0x34, 0x12, }, 8, 0, "", "",
+"67 f3 0f 38 f8 8c 34 12 \tenqcmds 0x1234(%si),%cx",},
+{{0x0f, 0x01, 0xcf, }, 3, 0, "", "",
+"0f 01 cf \tencls ",},
+{{0x0f, 0x01, 0xd7, }, 3, 0, "", "",
+"0f 01 d7 \tenclu ",},
+{{0x0f, 0x01, 0xc0, }, 3, 0, "", "",
+"0f 01 c0 \tenclv ",},
+{{0x0f, 0x01, 0xc5, }, 3, 0, "", "",
+"0f 01 c5 \tpconfig ",},
+{{0xf3, 0x0f, 0x09, }, 3, 0, "", "",
+"f3 0f 09 \twbnoinvd ",},
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 c57f34603b9b..656f8aed31de 100644
--- a/tools/perf/arch/x86/tests/insn-x86-dat-64.c
+++ b/tools/perf/arch/x86/tests/insn-x86-dat-64.c
@@ -1667,6 +1667,16 @@
"41 0f ae 30 \txsaveopt (%r8)",},
{{0x0f, 0xae, 0xf0, }, 3, 0, "", "",
"0f ae f0 \tmfence ",},
+{{0x0f, 0x1c, 0x00, }, 3, 0, "", "",
+"0f 1c 00 \tcldemote (%rax)",},
+{{0x41, 0x0f, 0x1c, 0x00, }, 4, 0, "", "",
+"41 0f 1c 00 \tcldemote (%r8)",},
+{{0x0f, 0x1c, 0x04, 0x25, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f 1c 04 25 78 56 34 12 \tcldemote 0x12345678",},
+{{0x0f, 0x1c, 0x84, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f 1c 84 c8 78 56 34 12 \tcldemote 0x12345678(%rax,%rcx,8)",},
+{{0x41, 0x0f, 0x1c, 0x84, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"41 0f 1c 84 c8 78 56 34 12 \tcldemote 0x12345678(%r8,%rcx,8)",},
{{0x0f, 0xc7, 0x20, }, 3, 0, "", "",
"0f c7 20 \txsavec (%rax)",},
{{0x41, 0x0f, 0xc7, 0x20, }, 4, 0, "", "",
@@ -1727,3 +1737,55 @@
"f3 48 0f ae a4 c8 78 56 34 12 \tptwriteq 0x12345678(%rax,%rcx,8)",},
{{0xf3, 0x49, 0x0f, 0xae, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
"f3 49 0f ae a4 c8 78 56 34 12 \tptwriteq 0x12345678(%r8,%rcx,8)",},
+{{0x66, 0x0f, 0xae, 0xf3, }, 4, 0, "", "",
+"66 0f ae f3 \ttpause %ebx",},
+{{0x66, 0x41, 0x0f, 0xae, 0xf0, }, 5, 0, "", "",
+"66 41 0f ae f0 \ttpause %r8d",},
+{{0x67, 0xf3, 0x0f, 0xae, 0xf0, }, 5, 0, "", "",
+"67 f3 0f ae f0 \tumonitor %eax",},
+{{0xf3, 0x0f, 0xae, 0xf0, }, 4, 0, "", "",
+"f3 0f ae f0 \tumonitor %rax",},
+{{0x67, 0xf3, 0x41, 0x0f, 0xae, 0xf0, }, 6, 0, "", "",
+"67 f3 41 0f ae f0 \tumonitor %r8d",},
+{{0xf2, 0x0f, 0xae, 0xf0, }, 4, 0, "", "",
+"f2 0f ae f0 \tumwait %eax",},
+{{0xf2, 0x41, 0x0f, 0xae, 0xf0, }, 5, 0, "", "",
+"f2 41 0f ae f0 \tumwait %r8d",},
+{{0x48, 0x0f, 0x38, 0xf9, 0x03, }, 5, 0, "", "",
+"48 0f 38 f9 03 \tmovdiri %rax,(%rbx)",},
+{{0x48, 0x0f, 0x38, 0xf9, 0x88, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"48 0f 38 f9 88 78 56 34 12 \tmovdiri %rcx,0x12345678(%rax)",},
+{{0x66, 0x0f, 0x38, 0xf8, 0x18, }, 5, 0, "", "",
+"66 0f 38 f8 18 \tmovdir64b (%rax),%rbx",},
+{{0x66, 0x0f, 0x38, 0xf8, 0x88, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"66 0f 38 f8 88 78 56 34 12 \tmovdir64b 0x12345678(%rax),%rcx",},
+{{0x67, 0x66, 0x0f, 0x38, 0xf8, 0x18, }, 6, 0, "", "",
+"67 66 0f 38 f8 18 \tmovdir64b (%eax),%ebx",},
+{{0x67, 0x66, 0x0f, 0x38, 0xf8, 0x88, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"67 66 0f 38 f8 88 78 56 34 12 \tmovdir64b 0x12345678(%eax),%ecx",},
+{{0xf2, 0x0f, 0x38, 0xf8, 0x18, }, 5, 0, "", "",
+"f2 0f 38 f8 18 \tenqcmd (%rax),%rbx",},
+{{0xf2, 0x0f, 0x38, 0xf8, 0x88, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"f2 0f 38 f8 88 78 56 34 12 \tenqcmd 0x12345678(%rax),%rcx",},
+{{0x67, 0xf2, 0x0f, 0x38, 0xf8, 0x18, }, 6, 0, "", "",
+"67 f2 0f 38 f8 18 \tenqcmd (%eax),%ebx",},
+{{0x67, 0xf2, 0x0f, 0x38, 0xf8, 0x88, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"67 f2 0f 38 f8 88 78 56 34 12 \tenqcmd 0x12345678(%eax),%ecx",},
+{{0xf3, 0x0f, 0x38, 0xf8, 0x18, }, 5, 0, "", "",
+"f3 0f 38 f8 18 \tenqcmds (%rax),%rbx",},
+{{0xf3, 0x0f, 0x38, 0xf8, 0x88, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"f3 0f 38 f8 88 78 56 34 12 \tenqcmds 0x12345678(%rax),%rcx",},
+{{0x67, 0xf3, 0x0f, 0x38, 0xf8, 0x18, }, 6, 0, "", "",
+"67 f3 0f 38 f8 18 \tenqcmds (%eax),%ebx",},
+{{0x67, 0xf3, 0x0f, 0x38, 0xf8, 0x88, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"67 f3 0f 38 f8 88 78 56 34 12 \tenqcmds 0x12345678(%eax),%ecx",},
+{{0x0f, 0x01, 0xcf, }, 3, 0, "", "",
+"0f 01 cf \tencls ",},
+{{0x0f, 0x01, 0xd7, }, 3, 0, "", "",
+"0f 01 d7 \tenclu ",},
+{{0x0f, 0x01, 0xc0, }, 3, 0, "", "",
+"0f 01 c0 \tenclv ",},
+{{0x0f, 0x01, 0xc5, }, 3, 0, "", "",
+"0f 01 c5 \tpconfig ",},
+{{0xf3, 0x0f, 0x09, }, 3, 0, "", "",
+"f3 0f 09 \twbnoinvd ",},
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 891415b10984..dd85a3afd9ce 100644
--- a/tools/perf/arch/x86/tests/insn-x86-dat-src.c
+++ b/tools/perf/arch/x86/tests/insn-x86-dat-src.c
@@ -1320,6 +1320,14 @@ int main(void)
asm volatile("xsaveopt (%r8)");
asm volatile("mfence");
+ /* cldemote m8 */
+
+ asm volatile("cldemote (%rax)");
+ asm volatile("cldemote (%r8)");
+ asm volatile("cldemote (0x12345678)");
+ asm volatile("cldemote 0x12345678(%rax,%rcx,8)");
+ asm volatile("cldemote 0x12345678(%r8,%rcx,8)");
+
/* xsavec mem */
asm volatile("xsavec (%rax)");
@@ -1364,6 +1372,48 @@ int main(void)
asm volatile("ptwriteq 0x12345678(%rax,%rcx,8)");
asm volatile("ptwriteq 0x12345678(%r8,%rcx,8)");
+ /* tpause */
+
+ asm volatile("tpause %ebx");
+ asm volatile("tpause %r8d");
+
+ /* umonitor */
+
+ asm volatile("umonitor %eax");
+ asm volatile("umonitor %rax");
+ asm volatile("umonitor %r8d");
+
+ /* umwait */
+
+ asm volatile("umwait %eax");
+ asm volatile("umwait %r8d");
+
+ /* movdiri */
+
+ asm volatile("movdiri %rax,(%rbx)");
+ asm volatile("movdiri %rcx,0x12345678(%rax)");
+
+ /* movdir64b */
+
+ asm volatile("movdir64b (%rax),%rbx");
+ asm volatile("movdir64b 0x12345678(%rax),%rcx");
+ asm volatile("movdir64b (%eax),%ebx");
+ asm volatile("movdir64b 0x12345678(%eax),%ecx");
+
+ /* enqcmd */
+
+ asm volatile("enqcmd (%rax),%rbx");
+ asm volatile("enqcmd 0x12345678(%rax),%rcx");
+ asm volatile("enqcmd (%eax),%ebx");
+ asm volatile("enqcmd 0x12345678(%eax),%ecx");
+
+ /* enqcmds */
+
+ asm volatile("enqcmds (%rax),%rbx");
+ asm volatile("enqcmds 0x12345678(%rax),%rcx");
+ asm volatile("enqcmds (%eax),%ebx");
+ asm volatile("enqcmds 0x12345678(%eax),%ecx");
+
#else /* #ifdef __x86_64__ */
/* bound r32, mem (same op code as EVEX prefix) */
@@ -2656,6 +2706,12 @@ int main(void)
asm volatile("xsaveopt (%eax)");
asm volatile("mfence");
+ /* cldemote m8 */
+
+ asm volatile("cldemote (%eax)");
+ asm volatile("cldemote (0x12345678)");
+ asm volatile("cldemote 0x12345678(%eax,%ecx,8)");
+
/* xsavec mem */
asm volatile("xsavec (%eax)");
@@ -2684,8 +2740,61 @@ int main(void)
asm volatile("ptwritel (0x12345678)");
asm volatile("ptwritel 0x12345678(%eax,%ecx,8)");
+ /* tpause */
+
+ asm volatile("tpause %ebx");
+
+ /* umonitor */
+
+ asm volatile("umonitor %ax");
+ asm volatile("umonitor %eax");
+
+ /* umwait */
+
+ asm volatile("umwait %eax");
+
+ /* movdiri */
+
+ asm volatile("movdiri %eax,(%ebx)");
+ asm volatile("movdiri %ecx,0x12345678(%eax)");
+
+ /* movdir64b */
+
+ asm volatile("movdir64b (%eax),%ebx");
+ asm volatile("movdir64b 0x12345678(%eax),%ecx");
+ asm volatile("movdir64b (%si),%bx");
+ asm volatile("movdir64b 0x1234(%si),%cx");
+
+ /* enqcmd */
+
+ asm volatile("enqcmd (%eax),%ebx");
+ asm volatile("enqcmd 0x12345678(%eax),%ecx");
+ asm volatile("enqcmd (%si),%bx");
+ asm volatile("enqcmd 0x1234(%si),%cx");
+
+ /* enqcmds */
+
+ asm volatile("enqcmds (%eax),%ebx");
+ asm volatile("enqcmds 0x12345678(%eax),%ecx");
+ asm volatile("enqcmds (%si),%bx");
+ asm volatile("enqcmds 0x1234(%si),%cx");
+
#endif /* #ifndef __x86_64__ */
+ /* SGX */
+
+ asm volatile("encls");
+ asm volatile("enclu");
+ asm volatile("enclv");
+
+ /* pconfig */
+
+ asm volatile("pconfig");
+
+ /* wbnoinvd */
+
+ asm volatile("wbnoinvd");
+
/* Following line is a marker for the awk script - do not change */
asm volatile("rdtsc"); /* Stop here */
diff --git a/tools/perf/arch/x86/tests/perf-time-to-tsc.c b/tools/perf/arch/x86/tests/perf-time-to-tsc.c
index fa947952c16a..909ead08a6f6 100644
--- a/tools/perf/arch/x86/tests/perf-time-to-tsc.c
+++ b/tools/perf/arch/x86/tests/perf-time-to-tsc.c
@@ -9,6 +9,7 @@
#include <sys/prctl.h>
#include <perf/cpumap.h>
#include <perf/evlist.h>
+#include <perf/mmap.h>
#include "debug.h"
#include "parse-events.h"
@@ -117,10 +118,10 @@ int test__perf_time_to_tsc(struct test *test __maybe_unused, int subtest __maybe
for (i = 0; i < evlist->core.nr_mmaps; i++) {
md = &evlist->mmap[i];
- if (perf_mmap__read_init(md) < 0)
+ if (perf_mmap__read_init(&md->core) < 0)
continue;
- while ((event = perf_mmap__read_event(md)) != NULL) {
+ while ((event = perf_mmap__read_event(&md->core)) != NULL) {
struct perf_sample sample;
if (event->header.type != PERF_RECORD_COMM ||
@@ -139,9 +140,9 @@ int test__perf_time_to_tsc(struct test *test __maybe_unused, int subtest __maybe
comm2_time = sample.time;
}
next_event:
- perf_mmap__consume(md);
+ perf_mmap__consume(&md->core);
}
- perf_mmap__read_done(md);
+ perf_mmap__read_done(&md->core);
}
if (!comm1_time || !comm2_time)
diff --git a/tools/perf/arch/x86/util/auxtrace.c b/tools/perf/arch/x86/util/auxtrace.c
index 96f4a2c11893..7abc9fd4cbec 100644
--- a/tools/perf/arch/x86/util/auxtrace.c
+++ b/tools/perf/arch/x86/util/auxtrace.c
@@ -26,7 +26,11 @@ struct auxtrace_record *auxtrace_record__init_intel(struct evlist *evlist,
bool found_bts = false;
intel_pt_pmu = perf_pmu__find(INTEL_PT_PMU_NAME);
+ if (intel_pt_pmu)
+ intel_pt_pmu->auxtrace = true;
intel_bts_pmu = perf_pmu__find(INTEL_BTS_PMU_NAME);
+ if (intel_bts_pmu)
+ intel_bts_pmu->auxtrace = true;
evlist__for_each_entry(evlist, evsel) {
if (intel_pt_pmu && evsel->core.attr.type == intel_pt_pmu->type)
diff --git a/tools/perf/arch/x86/util/event.c b/tools/perf/arch/x86/util/event.c
index d357c625c09f..d1044df7c0d7 100644
--- a/tools/perf/arch/x86/util/event.c
+++ b/tools/perf/arch/x86/util/event.c
@@ -29,7 +29,7 @@ int perf_event__synthesize_extra_kmaps(struct perf_tool *tool,
return -1;
}
- for (pos = maps__first(maps); pos; pos = map__next(pos)) {
+ maps__for_each_entry(maps, pos) {
struct kmap *kmap;
size_t size;
diff --git a/tools/perf/arch/x86/util/intel-bts.c b/tools/perf/arch/x86/util/intel-bts.c
index f7f68a50a5cd..27d9e214d068 100644
--- a/tools/perf/arch/x86/util/intel-bts.c
+++ b/tools/perf/arch/x86/util/intel-bts.c
@@ -113,6 +113,11 @@ static int intel_bts_recording_options(struct auxtrace_record *itr,
const struct perf_cpu_map *cpus = evlist->core.cpus;
bool privileged = perf_event_paranoid_check(-1);
+ if (opts->auxtrace_sample_mode) {
+ pr_err("Intel BTS does not support AUX area sampling\n");
+ return -EINVAL;
+ }
+
btsr->evlist = evlist;
btsr->snapshot_mode = opts->auxtrace_snapshot_mode;
diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c
index d6d26256915f..20df442fdf36 100644
--- a/tools/perf/arch/x86/util/intel-pt.c
+++ b/tools/perf/arch/x86/util/intel-pt.c
@@ -17,6 +17,7 @@
#include "../../util/event.h"
#include "../../util/evlist.h"
#include "../../util/evsel.h"
+#include "../../util/evsel_config.h"
#include "../../util/cpumap.h"
#include "../../util/mmap.h"
#include <subcmd/parse-options.h>
@@ -551,6 +552,43 @@ static int intel_pt_validate_config(struct perf_pmu *intel_pt_pmu,
evsel->core.attr.config);
}
+static void intel_pt_config_sample_mode(struct perf_pmu *intel_pt_pmu,
+ struct evsel *evsel)
+{
+ struct perf_evsel_config_term *term;
+ u64 user_bits = 0, bits;
+
+ term = perf_evsel__get_config_term(evsel, CFG_CHG);
+ if (term)
+ user_bits = term->val.cfg_chg;
+
+ bits = perf_pmu__format_bits(&intel_pt_pmu->format, "psb_period");
+
+ /* Did user change psb_period */
+ if (bits & user_bits)
+ return;
+
+ /* Set psb_period to 0 */
+ evsel->core.attr.config &= ~bits;
+}
+
+static void intel_pt_min_max_sample_sz(struct evlist *evlist,
+ size_t *min_sz, size_t *max_sz)
+{
+ struct evsel *evsel;
+
+ evlist__for_each_entry(evlist, evsel) {
+ size_t sz = evsel->core.attr.aux_sample_size;
+
+ if (!sz)
+ continue;
+ if (min_sz && (sz < *min_sz || !*min_sz))
+ *min_sz = sz;
+ if (max_sz && sz > *max_sz)
+ *max_sz = sz;
+ }
+}
+
/*
* Currently, there is not enough information to disambiguate different PEBS
* events, so only allow one.
@@ -606,6 +644,11 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
return -EINVAL;
}
+ if (opts->auxtrace_snapshot_mode && opts->auxtrace_sample_mode) {
+ pr_err("Snapshot mode (" INTEL_PT_PMU_NAME " PMU) and sample trace cannot be used together\n");
+ return -EINVAL;
+ }
+
if (opts->use_clockid) {
pr_err("Cannot use clockid (-k option) with " INTEL_PT_PMU_NAME "\n");
return -EINVAL;
@@ -617,6 +660,9 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
if (!opts->full_auxtrace)
return 0;
+ if (opts->auxtrace_sample_mode)
+ intel_pt_config_sample_mode(intel_pt_pmu, intel_pt_evsel);
+
err = intel_pt_validate_config(intel_pt_pmu, intel_pt_evsel);
if (err)
return err;
@@ -666,6 +712,34 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
opts->auxtrace_snapshot_size, psb_period);
}
+ /* Set default sizes for sample mode */
+ if (opts->auxtrace_sample_mode) {
+ size_t psb_period = intel_pt_psb_period(intel_pt_pmu, evlist);
+ size_t min_sz = 0, max_sz = 0;
+
+ intel_pt_min_max_sample_sz(evlist, &min_sz, &max_sz);
+ if (!opts->auxtrace_mmap_pages && !privileged &&
+ opts->mmap_pages == UINT_MAX)
+ opts->mmap_pages = KiB(256) / page_size;
+ if (!opts->auxtrace_mmap_pages) {
+ size_t sz = round_up(max_sz, page_size) / page_size;
+
+ opts->auxtrace_mmap_pages = roundup_pow_of_two(sz);
+ }
+ if (max_sz > opts->auxtrace_mmap_pages * (size_t)page_size) {
+ pr_err("Sample size %zu must not be greater than AUX area tracing mmap size %zu\n",
+ max_sz,
+ opts->auxtrace_mmap_pages * (size_t)page_size);
+ return -EINVAL;
+ }
+ pr_debug2("Intel PT min. sample size: %zu max. sample size: %zu\n",
+ min_sz, max_sz);
+ if (psb_period &&
+ min_sz <= psb_period + INTEL_PT_PSB_PERIOD_NEAR)
+ ui__warning("Intel PT sample size (%zu) may be too small for PSB period (%zu)\n",
+ min_sz, psb_period);
+ }
+
/* Set default sizes for full trace mode */
if (opts->full_auxtrace && !opts->auxtrace_mmap_pages) {
if (privileged) {
@@ -682,7 +756,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
size_t sz = opts->auxtrace_mmap_pages * (size_t)page_size;
size_t min_sz;
- if (opts->auxtrace_snapshot_mode)
+ if (opts->auxtrace_snapshot_mode || opts->auxtrace_sample_mode)
min_sz = KiB(4);
else
min_sz = KiB(8);
@@ -1136,5 +1210,10 @@ struct auxtrace_record *intel_pt_recording_init(int *err)
ptr->itr.parse_snapshot_options = intel_pt_parse_snapshot_options;
ptr->itr.reference = intel_pt_reference;
ptr->itr.read_finish = intel_pt_read_finish;
+ /*
+ * Decoding starts at a PSB packet. Minimum PSB period is 2K so 4K
+ * should give at least 1 PSB per sample.
+ */
+ ptr->itr.default_aux_sample_size = 4096;
return &ptr->itr;
}
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