| // SPDX-License-Identifier: GPL-2.0 |
| #include <inttypes.h> |
| #include <stdio.h> |
| #include <stdbool.h> |
| #include <linux/kernel.h> |
| #include <linux/types.h> |
| #include <linux/perf_event.h> |
| #include "util/evsel_fprintf.h" |
| |
| struct bit_names { |
| int bit; |
| const char *name; |
| }; |
| |
| static void __p_bits(char *buf, size_t size, u64 value, struct bit_names *bits) |
| { |
| bool first_bit = true; |
| int i = 0; |
| |
| do { |
| if (value & bits[i].bit) { |
| buf += scnprintf(buf, size, "%s%s", first_bit ? "" : "|", bits[i].name); |
| first_bit = false; |
| } |
| } while (bits[++i].name != NULL); |
| } |
| |
| static void __p_sample_type(char *buf, size_t size, u64 value) |
| { |
| #define bit_name(n) { PERF_SAMPLE_##n, #n } |
| struct bit_names bits[] = { |
| bit_name(IP), bit_name(TID), bit_name(TIME), bit_name(ADDR), |
| bit_name(READ), bit_name(CALLCHAIN), bit_name(ID), bit_name(CPU), |
| bit_name(PERIOD), bit_name(STREAM_ID), bit_name(RAW), |
| bit_name(BRANCH_STACK), bit_name(REGS_USER), bit_name(STACK_USER), |
| bit_name(IDENTIFIER), bit_name(REGS_INTR), bit_name(DATA_SRC), |
| bit_name(WEIGHT), bit_name(PHYS_ADDR), |
| { .name = NULL, } |
| }; |
| #undef bit_name |
| __p_bits(buf, size, value, bits); |
| } |
| |
| static void __p_branch_sample_type(char *buf, size_t size, u64 value) |
| { |
| #define bit_name(n) { PERF_SAMPLE_BRANCH_##n, #n } |
| struct bit_names bits[] = { |
| bit_name(USER), bit_name(KERNEL), bit_name(HV), bit_name(ANY), |
| bit_name(ANY_CALL), bit_name(ANY_RETURN), bit_name(IND_CALL), |
| bit_name(ABORT_TX), bit_name(IN_TX), bit_name(NO_TX), |
| bit_name(COND), bit_name(CALL_STACK), bit_name(IND_JUMP), |
| bit_name(CALL), bit_name(NO_FLAGS), bit_name(NO_CYCLES), |
| { .name = NULL, } |
| }; |
| #undef bit_name |
| __p_bits(buf, size, value, bits); |
| } |
| |
| static void __p_read_format(char *buf, size_t size, u64 value) |
| { |
| #define bit_name(n) { PERF_FORMAT_##n, #n } |
| struct bit_names bits[] = { |
| bit_name(TOTAL_TIME_ENABLED), bit_name(TOTAL_TIME_RUNNING), |
| bit_name(ID), bit_name(GROUP), |
| { .name = NULL, } |
| }; |
| #undef bit_name |
| __p_bits(buf, size, value, bits); |
| } |
| |
| #define BUF_SIZE 1024 |
| |
| #define p_hex(val) snprintf(buf, BUF_SIZE, "%#"PRIx64, (uint64_t)(val)) |
| #define p_unsigned(val) snprintf(buf, BUF_SIZE, "%"PRIu64, (uint64_t)(val)) |
| #define p_signed(val) snprintf(buf, BUF_SIZE, "%"PRId64, (int64_t)(val)) |
| #define p_sample_type(val) __p_sample_type(buf, BUF_SIZE, val) |
| #define p_branch_sample_type(val) __p_branch_sample_type(buf, BUF_SIZE, val) |
| #define p_read_format(val) __p_read_format(buf, BUF_SIZE, val) |
| |
| #define PRINT_ATTRn(_n, _f, _p) \ |
| do { \ |
| if (attr->_f) { \ |
| _p(attr->_f); \ |
| ret += attr__fprintf(fp, _n, buf, priv);\ |
| } \ |
| } while (0) |
| |
| #define PRINT_ATTRf(_f, _p) PRINT_ATTRn(#_f, _f, _p) |
| |
| int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr, |
| attr__fprintf_f attr__fprintf, void *priv) |
| { |
| char buf[BUF_SIZE]; |
| int ret = 0; |
| |
| PRINT_ATTRf(type, p_unsigned); |
| PRINT_ATTRf(size, p_unsigned); |
| PRINT_ATTRf(config, p_hex); |
| PRINT_ATTRn("{ sample_period, sample_freq }", sample_period, p_unsigned); |
| PRINT_ATTRf(sample_type, p_sample_type); |
| PRINT_ATTRf(read_format, p_read_format); |
| |
| PRINT_ATTRf(disabled, p_unsigned); |
| PRINT_ATTRf(inherit, p_unsigned); |
| PRINT_ATTRf(pinned, p_unsigned); |
| PRINT_ATTRf(exclusive, p_unsigned); |
| PRINT_ATTRf(exclude_user, p_unsigned); |
| PRINT_ATTRf(exclude_kernel, p_unsigned); |
| PRINT_ATTRf(exclude_hv, p_unsigned); |
| PRINT_ATTRf(exclude_idle, p_unsigned); |
| PRINT_ATTRf(mmap, p_unsigned); |
| PRINT_ATTRf(comm, p_unsigned); |
| PRINT_ATTRf(freq, p_unsigned); |
| PRINT_ATTRf(inherit_stat, p_unsigned); |
| PRINT_ATTRf(enable_on_exec, p_unsigned); |
| PRINT_ATTRf(task, p_unsigned); |
| PRINT_ATTRf(watermark, p_unsigned); |
| PRINT_ATTRf(precise_ip, p_unsigned); |
| PRINT_ATTRf(mmap_data, p_unsigned); |
| PRINT_ATTRf(sample_id_all, p_unsigned); |
| PRINT_ATTRf(exclude_host, p_unsigned); |
| PRINT_ATTRf(exclude_guest, p_unsigned); |
| PRINT_ATTRf(exclude_callchain_kernel, p_unsigned); |
| PRINT_ATTRf(exclude_callchain_user, p_unsigned); |
| PRINT_ATTRf(mmap2, p_unsigned); |
| PRINT_ATTRf(comm_exec, p_unsigned); |
| PRINT_ATTRf(use_clockid, p_unsigned); |
| PRINT_ATTRf(context_switch, p_unsigned); |
| PRINT_ATTRf(write_backward, p_unsigned); |
| PRINT_ATTRf(namespaces, p_unsigned); |
| PRINT_ATTRf(ksymbol, p_unsigned); |
| PRINT_ATTRf(bpf_event, p_unsigned); |
| PRINT_ATTRf(aux_output, p_unsigned); |
| |
| PRINT_ATTRn("{ wakeup_events, wakeup_watermark }", wakeup_events, p_unsigned); |
| PRINT_ATTRf(bp_type, p_unsigned); |
| PRINT_ATTRn("{ bp_addr, config1 }", bp_addr, p_hex); |
| PRINT_ATTRn("{ bp_len, config2 }", bp_len, p_hex); |
| PRINT_ATTRf(branch_sample_type, p_branch_sample_type); |
| PRINT_ATTRf(sample_regs_user, p_hex); |
| PRINT_ATTRf(sample_stack_user, p_unsigned); |
| PRINT_ATTRf(clockid, p_signed); |
| PRINT_ATTRf(sample_regs_intr, p_hex); |
| PRINT_ATTRf(aux_watermark, p_unsigned); |
| PRINT_ATTRf(sample_max_stack, p_unsigned); |
| |
| return ret; |
| } |