Pull perf updates from Ingo Molnar: "The main kernel side changes in this cycle were: - Various Intel-PT updates and optimizations (Alexander Shishkin) - Prohibit kprobes on Xen/KVM emulate prefixes (Masami Hiramatsu) - Add support for LSM and SELinux checks to control access to the perf syscall (Joel Fernandes) - Misc other changes, optimizations, fixes and cleanups - see the shortlog for details. There were numerous tooling changes as well - 254 non-merge commits. Here are the main changes - too many to list in detail: - Enhancements to core tooling infrastructure, perf.data, libperf, libtraceevent, event parsing, vendor events, Intel PT, callchains, BPF support and instruction decoding. - There were updates to the following tools: perf annotate perf diff perf inject perf kvm perf list perf maps perf parse perf probe perf record perf report perf script perf stat perf test perf trace - And a lot of other changes: please see the shortlog and Git log for more details" * 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (279 commits) perf parse: Fix potential memory leak when handling tracepoint errors perf probe: Fix spelling mistake "addrees" -> "address" libtraceevent: Fix memory leakage in copy_filter_type libtraceevent: Fix header installation perf intel-bts: Does not support AUX area sampling perf intel-pt: Add support for decoding AUX area samples perf intel-pt: Add support for recording AUX area samples perf pmu: When using default config, record which bits of config were changed by the user perf auxtrace: Add support for queuing AUX area samples perf session: Add facility to peek at all events perf auxtrace: Add support for dumping AUX area samples perf inject: Cut AUX area samples perf record: Add aux-sample-size config term perf record: Add support for AUX area sampling perf auxtrace: Add support for AUX area sample recording perf auxtrace: Move perf_evsel__find_pmu() perf record: Add a function to test for kernel support for AUX area sampling perf tools: Add kernel AUX area sampling definitions perf/core: Make the mlock accounting simple again perf report: Jump to symbol source view from total cycles view ...
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| @@ -141,8 +141,9 @@ enum perf_event_sample_format { · 140 unmodified lines | |||
| 141 | PERF_SAMPLE_TRANSACTION = 1U << 17, | 141 | PERF_SAMPLE_TRANSACTION = 1U << 17, |
| 142 | PERF_SAMPLE_REGS_INTR = 1U << 18, | 142 | PERF_SAMPLE_REGS_INTR = 1U << 18, |
| 143 | PERF_SAMPLE_PHYS_ADDR = 1U << 19, | 143 | PERF_SAMPLE_PHYS_ADDR = 1U << 19, |
| 144 | PERF_SAMPLE_AUX = 1U << 20, | ||
| 144 | 145 | ||
| 145 | PERF_SAMPLE_MAX = 1U << 20, /* non-ABI */ | 146 | PERF_SAMPLE_MAX = 1U << 21, /* non-ABI */ |
| 146 | 147 | ||
| 147 | __PERF_SAMPLE_CALLCHAIN_EARLY = 1ULL << 63, /* non-ABI; internal use */ | 148 | __PERF_SAMPLE_CALLCHAIN_EARLY = 1ULL << 63, /* non-ABI; internal use */ |
| 148 | }; | 149 | }; |
| @@ -300,6 +301,7 @@ enum perf_event_read_format { · 151 unmodified lines | |||
| 300 | /* add: sample_stack_user */ | 301 | /* add: sample_stack_user */ |
| 301 | #define PERF_ATTR_SIZE_VER4 104 /* add: sample_regs_intr */ | 302 | #define PERF_ATTR_SIZE_VER4 104 /* add: sample_regs_intr */ |
| 302 | #define PERF_ATTR_SIZE_VER5 112 /* add: aux_watermark */ | 303 | #define PERF_ATTR_SIZE_VER5 112 /* add: aux_watermark */ |
| 304 | #define PERF_ATTR_SIZE_VER6 120 /* add: aux_sample_size */ | ||
| 303 | 305 | ||
| 304 | /* | 306 | /* |
| 305 | * Hardware event_id to monitor via a performance monitoring event: | 307 | * Hardware event_id to monitor via a performance monitoring event: |
| @@ -424,7 +426,9 @@ struct perf_event_attr { · 118 unmodified lines | |||
| 424 | */ | 426 | */ |
| 425 | __u32 aux_watermark; | 427 | __u32 aux_watermark; |
| 426 | __u16 sample_max_stack; | 428 | __u16 sample_max_stack; |
| 427 | __u16 __reserved_2; /* align to __u64 */ | 429 | __u16 __reserved_2; |
| 430 | __u32 aux_sample_size; | ||
| 431 | __u32 __reserved_3; | ||
| 428 | }; | 432 | }; |
| 429 | 433 | ||
| 430 | /* | 434 | /* |
| @@ -864,6 +868,8 @@ enum perf_event_type { · 433 unmodified lines | |||
| 864 | * { u64 abi; # enum perf_sample_regs_abi | 868 | * { u64 abi; # enum perf_sample_regs_abi |
| 865 | * u64 regs[weight(mask)]; } && PERF_SAMPLE_REGS_INTR | 869 | * u64 regs[weight(mask)]; } && PERF_SAMPLE_REGS_INTR |
| 866 | * { u64 phys_addr;} && PERF_SAMPLE_PHYS_ADDR | 870 | * { u64 phys_addr;} && PERF_SAMPLE_PHYS_ADDR |
| 871 | * { u64 size; | ||
| 872 | * char data[size]; } && PERF_SAMPLE_AUX | ||
| 867 | * }; | 873 | * }; |
| 868 | */ | 874 | */ |
| 869 | PERF_RECORD_SAMPLE = 9, | 875 | PERF_RECORD_SAMPLE = 9, |