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-rw-r--r--kernel/tools/perf/util/event.h395
1 files changed, 395 insertions, 0 deletions
diff --git a/kernel/tools/perf/util/event.h b/kernel/tools/perf/util/event.h
new file mode 100644
index 000000000..09b9e8d3f
--- /dev/null
+++ b/kernel/tools/perf/util/event.h
@@ -0,0 +1,395 @@
+#ifndef __PERF_RECORD_H
+#define __PERF_RECORD_H
+
+#include <limits.h>
+#include <stdio.h>
+
+#include "../perf.h"
+#include "map.h"
+#include "build-id.h"
+#include "perf_regs.h"
+
+struct mmap_event {
+ struct perf_event_header header;
+ u32 pid, tid;
+ u64 start;
+ u64 len;
+ u64 pgoff;
+ char filename[PATH_MAX];
+};
+
+struct mmap2_event {
+ struct perf_event_header header;
+ u32 pid, tid;
+ u64 start;
+ u64 len;
+ u64 pgoff;
+ u32 maj;
+ u32 min;
+ u64 ino;
+ u64 ino_generation;
+ u32 prot;
+ u32 flags;
+ char filename[PATH_MAX];
+};
+
+struct comm_event {
+ struct perf_event_header header;
+ u32 pid, tid;
+ char comm[16];
+};
+
+struct fork_event {
+ struct perf_event_header header;
+ u32 pid, ppid;
+ u32 tid, ptid;
+ u64 time;
+};
+
+struct lost_event {
+ struct perf_event_header header;
+ u64 id;
+ u64 lost;
+};
+
+/*
+ * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
+ */
+struct read_event {
+ struct perf_event_header header;
+ u32 pid, tid;
+ u64 value;
+ u64 time_enabled;
+ u64 time_running;
+ u64 id;
+};
+
+struct throttle_event {
+ struct perf_event_header header;
+ u64 time;
+ u64 id;
+ u64 stream_id;
+};
+
+#define PERF_SAMPLE_MASK \
+ (PERF_SAMPLE_IP | PERF_SAMPLE_TID | \
+ PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR | \
+ PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID | \
+ PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD | \
+ PERF_SAMPLE_IDENTIFIER)
+
+/* perf sample has 16 bits size limit */
+#define PERF_SAMPLE_MAX_SIZE (1 << 16)
+
+struct sample_event {
+ struct perf_event_header header;
+ u64 array[];
+};
+
+struct regs_dump {
+ u64 abi;
+ u64 mask;
+ u64 *regs;
+
+ /* Cached values/mask filled by first register access. */
+ u64 cache_regs[PERF_REGS_MAX];
+ u64 cache_mask;
+};
+
+struct stack_dump {
+ u16 offset;
+ u64 size;
+ char *data;
+};
+
+struct sample_read_value {
+ u64 value;
+ u64 id;
+};
+
+struct sample_read {
+ u64 time_enabled;
+ u64 time_running;
+ union {
+ struct {
+ u64 nr;
+ struct sample_read_value *values;
+ } group;
+ struct sample_read_value one;
+ };
+};
+
+struct ip_callchain {
+ u64 nr;
+ u64 ips[0];
+};
+
+struct branch_flags {
+ u64 mispred:1;
+ u64 predicted:1;
+ u64 in_tx:1;
+ u64 abort:1;
+ u64 reserved:60;
+};
+
+struct branch_entry {
+ u64 from;
+ u64 to;
+ struct branch_flags flags;
+};
+
+struct branch_stack {
+ u64 nr;
+ struct branch_entry entries[0];
+};
+
+enum {
+ PERF_IP_FLAG_BRANCH = 1ULL << 0,
+ PERF_IP_FLAG_CALL = 1ULL << 1,
+ PERF_IP_FLAG_RETURN = 1ULL << 2,
+ PERF_IP_FLAG_CONDITIONAL = 1ULL << 3,
+ PERF_IP_FLAG_SYSCALLRET = 1ULL << 4,
+ PERF_IP_FLAG_ASYNC = 1ULL << 5,
+ PERF_IP_FLAG_INTERRUPT = 1ULL << 6,
+ PERF_IP_FLAG_TX_ABORT = 1ULL << 7,
+ PERF_IP_FLAG_TRACE_BEGIN = 1ULL << 8,
+ PERF_IP_FLAG_TRACE_END = 1ULL << 9,
+ PERF_IP_FLAG_IN_TX = 1ULL << 10,
+};
+
+#define PERF_BRANCH_MASK (\
+ PERF_IP_FLAG_BRANCH |\
+ PERF_IP_FLAG_CALL |\
+ PERF_IP_FLAG_RETURN |\
+ PERF_IP_FLAG_CONDITIONAL |\
+ PERF_IP_FLAG_SYSCALLRET |\
+ PERF_IP_FLAG_ASYNC |\
+ PERF_IP_FLAG_INTERRUPT |\
+ PERF_IP_FLAG_TX_ABORT |\
+ PERF_IP_FLAG_TRACE_BEGIN |\
+ PERF_IP_FLAG_TRACE_END)
+
+struct perf_sample {
+ u64 ip;
+ u32 pid, tid;
+ u64 time;
+ u64 addr;
+ u64 id;
+ u64 stream_id;
+ u64 period;
+ u64 weight;
+ u64 transaction;
+ u32 cpu;
+ u32 raw_size;
+ u64 data_src;
+ u32 flags;
+ u16 insn_len;
+ void *raw_data;
+ struct ip_callchain *callchain;
+ struct branch_stack *branch_stack;
+ struct regs_dump user_regs;
+ struct regs_dump intr_regs;
+ struct stack_dump user_stack;
+ struct sample_read read;
+};
+
+#define PERF_MEM_DATA_SRC_NONE \
+ (PERF_MEM_S(OP, NA) |\
+ PERF_MEM_S(LVL, NA) |\
+ PERF_MEM_S(SNOOP, NA) |\
+ PERF_MEM_S(LOCK, NA) |\
+ PERF_MEM_S(TLB, NA))
+
+struct build_id_event {
+ struct perf_event_header header;
+ pid_t pid;
+ u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
+ char filename[];
+};
+
+enum perf_user_event_type { /* above any possible kernel type */
+ PERF_RECORD_USER_TYPE_START = 64,
+ PERF_RECORD_HEADER_ATTR = 64,
+ PERF_RECORD_HEADER_EVENT_TYPE = 65, /* depreceated */
+ PERF_RECORD_HEADER_TRACING_DATA = 66,
+ PERF_RECORD_HEADER_BUILD_ID = 67,
+ PERF_RECORD_FINISHED_ROUND = 68,
+ PERF_RECORD_ID_INDEX = 69,
+ PERF_RECORD_HEADER_MAX
+};
+
+/*
+ * The kernel collects the number of events it couldn't send in a stretch and
+ * when possible sends this number in a PERF_RECORD_LOST event. The number of
+ * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
+ * total_lost tells exactly how many events the kernel in fact lost, i.e. it is
+ * the sum of all struct lost_event.lost fields reported.
+ *
+ * The total_period is needed because by default auto-freq is used, so
+ * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
+ * the total number of low level events, it is necessary to to sum all struct
+ * sample_event.period and stash the result in total_period.
+ */
+struct events_stats {
+ u64 total_period;
+ u64 total_non_filtered_period;
+ u64 total_lost;
+ u64 total_invalid_chains;
+ u32 nr_events[PERF_RECORD_HEADER_MAX];
+ u32 nr_non_filtered_samples;
+ u32 nr_lost_warned;
+ u32 nr_unknown_events;
+ u32 nr_invalid_chains;
+ u32 nr_unknown_id;
+ u32 nr_unprocessable_samples;
+};
+
+struct attr_event {
+ struct perf_event_header header;
+ struct perf_event_attr attr;
+ u64 id[];
+};
+
+#define MAX_EVENT_NAME 64
+
+struct perf_trace_event_type {
+ u64 event_id;
+ char name[MAX_EVENT_NAME];
+};
+
+struct event_type_event {
+ struct perf_event_header header;
+ struct perf_trace_event_type event_type;
+};
+
+struct tracing_data_event {
+ struct perf_event_header header;
+ u32 size;
+};
+
+struct id_index_entry {
+ u64 id;
+ u64 idx;
+ u64 cpu;
+ u64 tid;
+};
+
+struct id_index_event {
+ struct perf_event_header header;
+ u64 nr;
+ struct id_index_entry entries[0];
+};
+
+union perf_event {
+ struct perf_event_header header;
+ struct mmap_event mmap;
+ struct mmap2_event mmap2;
+ struct comm_event comm;
+ struct fork_event fork;
+ struct lost_event lost;
+ struct read_event read;
+ struct throttle_event throttle;
+ struct sample_event sample;
+ struct attr_event attr;
+ struct event_type_event event_type;
+ struct tracing_data_event tracing_data;
+ struct build_id_event build_id;
+ struct id_index_event id_index;
+};
+
+void perf_event__print_totals(void);
+
+struct perf_tool;
+struct thread_map;
+
+typedef int (*perf_event__handler_t)(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine);
+
+int perf_event__synthesize_thread_map(struct perf_tool *tool,
+ struct thread_map *threads,
+ perf_event__handler_t process,
+ struct machine *machine, bool mmap_data);
+int perf_event__synthesize_threads(struct perf_tool *tool,
+ perf_event__handler_t process,
+ struct machine *machine, bool mmap_data);
+int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
+ perf_event__handler_t process,
+ struct machine *machine);
+
+int perf_event__synthesize_modules(struct perf_tool *tool,
+ perf_event__handler_t process,
+ struct machine *machine);
+
+int perf_event__process_comm(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine);
+int perf_event__process_lost(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine);
+int perf_event__process_mmap(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine);
+int perf_event__process_mmap2(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine);
+int perf_event__process_fork(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine);
+int perf_event__process_exit(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine);
+int perf_event__process(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine);
+
+struct addr_location;
+
+int perf_event__preprocess_sample(const union perf_event *event,
+ struct machine *machine,
+ struct addr_location *al,
+ struct perf_sample *sample);
+
+struct thread;
+
+bool is_bts_event(struct perf_event_attr *attr);
+bool sample_addr_correlates_sym(struct perf_event_attr *attr);
+void perf_event__preprocess_sample_addr(union perf_event *event,
+ struct perf_sample *sample,
+ struct thread *thread,
+ struct addr_location *al);
+
+const char *perf_event__name(unsigned int id);
+
+size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
+ u64 read_format);
+int perf_event__synthesize_sample(union perf_event *event, u64 type,
+ u64 read_format,
+ const struct perf_sample *sample,
+ bool swapped);
+
+int perf_event__synthesize_mmap_events(struct perf_tool *tool,
+ union perf_event *event,
+ pid_t pid, pid_t tgid,
+ perf_event__handler_t process,
+ struct machine *machine,
+ bool mmap_data);
+
+size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
+size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
+size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
+size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
+size_t perf_event__fprintf(union perf_event *event, FILE *fp);
+
+u64 kallsyms__get_function_start(const char *kallsyms_filename,
+ const char *symbol_name);
+
+#endif /* __PERF_RECORD_H */