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author | pmikus <pmikus@cisco.com> | 2021-04-19 12:22:20 +0000 |
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committer | Peter Mikus <pmikus@cisco.com> | 2021-05-28 05:51:32 +0000 |
commit | d255d2545ee6cdc871bc35314fad72c3c48b225b (patch) | |
tree | f4a0a6462ec9cc856829caa0641e87bcaf37cc4c /resources/templates/telemetry/bpf_runtime.yaml | |
parent | 82863d5b8422b1b817d86bd6b1829a06a49feb02 (diff) |
Framework: Telemetry retake
Signed-off-by: pmikus <pmikus@cisco.com>
Change-Id: I2f019a083916aec9f7816266f6ad5b92dcc31fa0
Diffstat (limited to 'resources/templates/telemetry/bpf_runtime.yaml')
-rw-r--r-- | resources/templates/telemetry/bpf_runtime.yaml | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/resources/templates/telemetry/bpf_runtime.yaml b/resources/templates/telemetry/bpf_runtime.yaml new file mode 100644 index 0000000000..88ad7eb64f --- /dev/null +++ b/resources/templates/telemetry/bpf_runtime.yaml @@ -0,0 +1,130 @@ +--- +logging: + version: 1 + formatters: + console: + format: '%(asctime)s - %(name)s - %(message)s' + prom: + format: '%(message)s' + handlers: + console: + class: logging.StreamHandler + level: INFO + formatter: console + stream: ext://sys.stdout + prom: + class: logging.handlers.RotatingFileHandler + level: INFO + formatter: prom + filename: /tmp/metric.prom + mode: w + loggers: + prom: + handlers: [prom] + level: INFO + propagate: False + root: + level: INFO + handlers: [console] +scheduler: + duration: 1 +programs: + - name: bundle_bpf + metrics: + counter: + - name: cpu_cycle + documentation: Cycles processed by CPUs + namespace: bpf + labelnames: + - name + - cpu + - pid + - name: cpu_instruction + documentation: Instructions retired by CPUs + namespace: bpf + labelnames: + - name + - cpu + - pid + - name: llc_reference + documentation: Last level cache operations by type + namespace: bpf + labelnames: + - name + - cpu + - pid + - name: llc_miss + documentation: Last level cache operations by type + namespace: bpf + labelnames: + - name + - cpu + - pid + events: + - type: 0x0 # HARDWARE + name: 0x0 # PERF_COUNT_HW_CPU_CYCLES + target: on_cpu_cycle + table: cpu_cycle + - type: 0x0 # HARDWARE + name: 0x1 # PERF_COUNT_HW_INSTRUCTIONS + target: on_cpu_instruction + table: cpu_instruction + - type: 0x0 # HARDWARE + name: 0x2 # PERF_COUNT_HW_CACHE_REFERENCES + target: on_cache_reference + table: llc_reference + - type: 0x0 # HARDWARE + name: 0x3 # PERF_COUNT_HW_CACHE_MISSES + target: on_cache_miss + table: llc_miss + code: | + #include <linux/ptrace.h> + #include <uapi/linux/bpf_perf_event.h> + + const int max_cpus = 256; + + struct key_t { + int cpu; + int pid; + char name[TASK_COMM_LEN]; + }; + + BPF_HASH(llc_miss, struct key_t); + BPF_HASH(llc_reference, struct key_t); + BPF_HASH(cpu_instruction, struct key_t); + BPF_HASH(cpu_cycle, struct key_t); + + static inline __attribute__((always_inline)) void get_key(struct key_t* key) { + key->cpu = bpf_get_smp_processor_id(); + key->pid = bpf_get_current_pid_tgid(); + bpf_get_current_comm(&(key->name), sizeof(key->name)); + } + + int on_cpu_cycle(struct bpf_perf_event_data *ctx) { + struct key_t key = {}; + get_key(&key); + + cpu_cycle.increment(key, ctx->sample_period); + return 0; + } + int on_cpu_instruction(struct bpf_perf_event_data *ctx) { + struct key_t key = {}; + get_key(&key); + + cpu_instruction.increment(key, ctx->sample_period); + return 0; + } + int on_cache_reference(struct bpf_perf_event_data *ctx) { + struct key_t key = {}; + get_key(&key); + + llc_reference.increment(key, ctx->sample_period); + return 0; + } + int on_cache_miss(struct bpf_perf_event_data *ctx) { + struct key_t key = {}; + get_key(&key); + + llc_miss.increment(key, ctx->sample_period); + return 0; + } |