trace_processor: support f2fs_iostat_latency ftrace event
Show periodic f2fs related I/O latency info to better understand system
I/O behaviors.
Bug: 233936593
Change-Id: Ia0afc92fc5637cac6b2422c563313e2baa0adefb
diff --git a/protos/perfetto/trace/ftrace/f2fs.proto b/protos/perfetto/trace/ftrace/f2fs.proto
index efb241e..0e59384 100644
--- a/protos/perfetto/trace/ftrace/f2fs.proto
+++ b/protos/perfetto/trace/ftrace/f2fs.proto
@@ -258,3 +258,33 @@
optional uint64 fs_nio = 22;
optional uint64 fs_nrio = 23;
}
+message F2fsIostatLatencyFtraceEvent {
+ optional uint32 d_rd_avg = 1;
+ optional uint32 d_rd_cnt = 2;
+ optional uint32 d_rd_peak = 3;
+ optional uint32 d_wr_as_avg = 4;
+ optional uint32 d_wr_as_cnt = 5;
+ optional uint32 d_wr_as_peak = 6;
+ optional uint32 d_wr_s_avg = 7;
+ optional uint32 d_wr_s_cnt = 8;
+ optional uint32 d_wr_s_peak = 9;
+ optional uint64 dev = 10;
+ optional uint32 m_rd_avg = 11;
+ optional uint32 m_rd_cnt = 12;
+ optional uint32 m_rd_peak = 13;
+ optional uint32 m_wr_as_avg = 14;
+ optional uint32 m_wr_as_cnt = 15;
+ optional uint32 m_wr_as_peak = 16;
+ optional uint32 m_wr_s_avg = 17;
+ optional uint32 m_wr_s_cnt = 18;
+ optional uint32 m_wr_s_peak = 19;
+ optional uint32 n_rd_avg = 20;
+ optional uint32 n_rd_cnt = 21;
+ optional uint32 n_rd_peak = 22;
+ optional uint32 n_wr_as_avg = 23;
+ optional uint32 n_wr_as_cnt = 24;
+ optional uint32 n_wr_as_peak = 25;
+ optional uint32 n_wr_s_avg = 26;
+ optional uint32 n_wr_s_cnt = 27;
+ optional uint32 n_wr_s_peak = 28;
+}
diff --git a/protos/perfetto/trace/ftrace/ftrace_event.proto b/protos/perfetto/trace/ftrace/ftrace_event.proto
index 0a3d90a..fffb18d 100644
--- a/protos/perfetto/trace/ftrace/ftrace_event.proto
+++ b/protos/perfetto/trace/ftrace/ftrace_event.proto
@@ -520,5 +520,6 @@
DmaFenceWaitStartFtraceEvent dma_fence_wait_start = 417;
DmaFenceWaitEndFtraceEvent dma_fence_wait_end = 418;
F2fsIostatFtraceEvent f2fs_iostat = 419;
+ F2fsIostatLatencyFtraceEvent f2fs_iostat_latency = 420;
}
}
diff --git a/protos/perfetto/trace/perfetto_trace.proto b/protos/perfetto/trace/perfetto_trace.proto
index de18393..7d60276 100644
--- a/protos/perfetto/trace/perfetto_trace.proto
+++ b/protos/perfetto/trace/perfetto_trace.proto
@@ -4776,6 +4776,36 @@
optional uint64 fs_nio = 22;
optional uint64 fs_nrio = 23;
}
+message F2fsIostatLatencyFtraceEvent {
+ optional uint32 d_rd_avg = 1;
+ optional uint32 d_rd_cnt = 2;
+ optional uint32 d_rd_peak = 3;
+ optional uint32 d_wr_as_avg = 4;
+ optional uint32 d_wr_as_cnt = 5;
+ optional uint32 d_wr_as_peak = 6;
+ optional uint32 d_wr_s_avg = 7;
+ optional uint32 d_wr_s_cnt = 8;
+ optional uint32 d_wr_s_peak = 9;
+ optional uint64 dev = 10;
+ optional uint32 m_rd_avg = 11;
+ optional uint32 m_rd_cnt = 12;
+ optional uint32 m_rd_peak = 13;
+ optional uint32 m_wr_as_avg = 14;
+ optional uint32 m_wr_as_cnt = 15;
+ optional uint32 m_wr_as_peak = 16;
+ optional uint32 m_wr_s_avg = 17;
+ optional uint32 m_wr_s_cnt = 18;
+ optional uint32 m_wr_s_peak = 19;
+ optional uint32 n_rd_avg = 20;
+ optional uint32 n_rd_cnt = 21;
+ optional uint32 n_rd_peak = 22;
+ optional uint32 n_wr_as_avg = 23;
+ optional uint32 n_wr_as_cnt = 24;
+ optional uint32 n_wr_as_peak = 25;
+ optional uint32 n_wr_s_avg = 26;
+ optional uint32 n_wr_s_cnt = 27;
+ optional uint32 n_wr_s_peak = 28;
+}
// End of protos/perfetto/trace/ftrace/f2fs.proto
@@ -6560,6 +6590,7 @@
DmaFenceWaitStartFtraceEvent dma_fence_wait_start = 417;
DmaFenceWaitEndFtraceEvent dma_fence_wait_end = 418;
F2fsIostatFtraceEvent f2fs_iostat = 419;
+ F2fsIostatLatencyFtraceEvent f2fs_iostat_latency = 420;
}
}
diff --git a/src/tools/ftrace_proto_gen/event_list b/src/tools/ftrace_proto_gen/event_list
index 75e2eae..05984fd 100644
--- a/src/tools/ftrace_proto_gen/event_list
+++ b/src/tools/ftrace_proto_gen/event_list
@@ -414,3 +414,4 @@
dma_fence/dma_fence_wait_start
dma_fence/dma_fence_wait_end
f2fs/f2fs_iostat
+f2fs/f2fs_iostat_latency
diff --git a/src/trace_processor/importers/ftrace/ftrace_descriptors.cc b/src/trace_processor/importers/ftrace/ftrace_descriptors.cc
index 5a44dab..74425f2 100644
--- a/src/trace_processor/importers/ftrace/ftrace_descriptors.cc
+++ b/src/trace_processor/importers/ftrace/ftrace_descriptors.cc
@@ -24,7 +24,7 @@
namespace trace_processor {
namespace {
-std::array<MessageDescriptor, 420> descriptors{{
+std::array<MessageDescriptor, 421> descriptors{{
{nullptr, 0, {}},
{nullptr, 0, {}},
{nullptr, 0, {}},
@@ -4535,6 +4535,41 @@
{"fs_nrio", ProtoSchemaType::kUint64},
},
},
+ {
+ "f2fs_iostat_latency",
+ 28,
+ {
+ {},
+ {"d_rd_avg", ProtoSchemaType::kUint32},
+ {"d_rd_cnt", ProtoSchemaType::kUint32},
+ {"d_rd_peak", ProtoSchemaType::kUint32},
+ {"d_wr_as_avg", ProtoSchemaType::kUint32},
+ {"d_wr_as_cnt", ProtoSchemaType::kUint32},
+ {"d_wr_as_peak", ProtoSchemaType::kUint32},
+ {"d_wr_s_avg", ProtoSchemaType::kUint32},
+ {"d_wr_s_cnt", ProtoSchemaType::kUint32},
+ {"d_wr_s_peak", ProtoSchemaType::kUint32},
+ {"dev", ProtoSchemaType::kUint64},
+ {"m_rd_avg", ProtoSchemaType::kUint32},
+ {"m_rd_cnt", ProtoSchemaType::kUint32},
+ {"m_rd_peak", ProtoSchemaType::kUint32},
+ {"m_wr_as_avg", ProtoSchemaType::kUint32},
+ {"m_wr_as_cnt", ProtoSchemaType::kUint32},
+ {"m_wr_as_peak", ProtoSchemaType::kUint32},
+ {"m_wr_s_avg", ProtoSchemaType::kUint32},
+ {"m_wr_s_cnt", ProtoSchemaType::kUint32},
+ {"m_wr_s_peak", ProtoSchemaType::kUint32},
+ {"n_rd_avg", ProtoSchemaType::kUint32},
+ {"n_rd_cnt", ProtoSchemaType::kUint32},
+ {"n_rd_peak", ProtoSchemaType::kUint32},
+ {"n_wr_as_avg", ProtoSchemaType::kUint32},
+ {"n_wr_as_cnt", ProtoSchemaType::kUint32},
+ {"n_wr_as_peak", ProtoSchemaType::kUint32},
+ {"n_wr_s_avg", ProtoSchemaType::kUint32},
+ {"n_wr_s_cnt", ProtoSchemaType::kUint32},
+ {"n_wr_s_peak", ProtoSchemaType::kUint32},
+ },
+ },
}};
} // namespace
diff --git a/src/trace_processor/importers/ftrace/ftrace_parser.cc b/src/trace_processor/importers/ftrace/ftrace_parser.cc
index 46bba22..a735be2 100644
--- a/src/trace_processor/importers/ftrace/ftrace_parser.cc
+++ b/src/trace_processor/importers/ftrace/ftrace_parser.cc
@@ -753,6 +753,10 @@
iostat_tracker_.ParseF2fsIostat(ts, data);
break;
}
+ case FtraceEvent::kF2fsIostatLatencyFieldNumber: {
+ iostat_tracker_.ParseF2fsIostatLatency(ts, data);
+ break;
+ }
default:
break;
}
diff --git a/src/trace_processor/importers/ftrace/iostat_tracker.cc b/src/trace_processor/importers/ftrace/iostat_tracker.cc
index 1158c99..27e5762 100644
--- a/src/trace_processor/importers/ftrace/iostat_tracker.cc
+++ b/src/trace_processor/importers/ftrace/iostat_tracker.cc
@@ -23,6 +23,7 @@
namespace trace_processor {
static constexpr char kF2fsIostatTag[] = "f2fs_iostat";
+static constexpr char kF2fsIostatLatencyTag[] = "f2fs_iostat_latency";
IostatTracker::IostatTracker(TraceProcessorContext* context)
: context_(context) {}
@@ -72,5 +73,50 @@
push_counter("other_fs_discard", evt.fs_discard());
}
+void IostatTracker::ParseF2fsIostatLatency(int64_t timestamp,
+ protozero::ConstBytes blob) {
+ protos::pbzero::F2fsIostatLatencyFtraceEvent::Decoder evt(blob.data,
+ blob.size);
+ std::string tagPrefix =
+ std::string(kF2fsIostatLatencyTag) + "." + GetDeviceName(evt.dev());
+ auto push_counter = [this, timestamp, tagPrefix](const char* counter_name,
+ uint64_t value) {
+ std::string track_name = tagPrefix + "." + std::string(counter_name);
+ StringId string_id = context_->storage->InternString(track_name.c_str());
+ TrackId track =
+ context_->track_tracker->InternGlobalCounterTrack(string_id);
+ context_->event_tracker->PushCounter(timestamp, static_cast<double>(value),
+ track);
+ };
+
+ push_counter("read_data_peak", evt.d_rd_peak());
+ push_counter("read_data_avg", evt.d_rd_avg());
+ push_counter("read_data_cnt", evt.d_rd_cnt());
+ push_counter("read_node_peak", evt.n_rd_peak());
+ push_counter("read_node_avg", evt.n_rd_avg());
+ push_counter("read_node_cnt", evt.n_rd_cnt());
+ push_counter("read_meta_peak", evt.m_rd_peak());
+ push_counter("read_meta_avg", evt.m_rd_avg());
+ push_counter("read_meta_cnt", evt.m_rd_cnt());
+ push_counter("write_sync_data_peak", evt.d_wr_s_peak());
+ push_counter("write_sync_data_avg", evt.d_wr_s_avg());
+ push_counter("write_sync_data_cnt", evt.d_wr_s_cnt());
+ push_counter("write_sync_node_peak", evt.n_wr_s_peak());
+ push_counter("write_sync_node_avg", evt.n_wr_s_avg());
+ push_counter("write_sync_node_cnt", evt.n_wr_s_cnt());
+ push_counter("write_sync_meta_peak", evt.m_wr_s_peak());
+ push_counter("write_sync_meta_avg", evt.m_wr_s_avg());
+ push_counter("write_sync_meta_cnt", evt.m_wr_s_cnt());
+ push_counter("write_async_data_peak", evt.d_wr_as_peak());
+ push_counter("write_async_data_avg", evt.d_wr_as_avg());
+ push_counter("write_async_data_cnt", evt.d_wr_as_cnt());
+ push_counter("write_async_node_peak", evt.n_wr_as_peak());
+ push_counter("write_async_node_avg", evt.n_wr_as_avg());
+ push_counter("write_async_node_cnt", evt.n_wr_as_cnt());
+ push_counter("write_async_meta_peak", evt.m_wr_as_peak());
+ push_counter("write_async_meta_avg", evt.m_wr_as_avg());
+ push_counter("write_async_meta_cnt", evt.m_wr_as_cnt());
+}
+
} // namespace trace_processor
} // namespace perfetto
diff --git a/src/trace_processor/importers/ftrace/iostat_tracker.h b/src/trace_processor/importers/ftrace/iostat_tracker.h
index 7c46719..f56ae9a 100644
--- a/src/trace_processor/importers/ftrace/iostat_tracker.h
+++ b/src/trace_processor/importers/ftrace/iostat_tracker.h
@@ -30,6 +30,7 @@
explicit IostatTracker(TraceProcessorContext*);
void ParseF2fsIostat(int64_t timestamp, protozero::ConstBytes blob);
+ void ParseF2fsIostatLatency(int64_t timestamp, protozero::ConstBytes blob);
private:
TraceProcessorContext* const context_;
diff --git a/src/traced/probes/ftrace/event_info.cc b/src/traced/probes/ftrace/event_info.cc
index 3819936..be42505 100644
--- a/src/traced/probes/ftrace/event_info.cc
+++ b/src/traced/probes/ftrace/event_info.cc
@@ -4304,6 +4304,97 @@
kUnsetFtraceId,
419,
kUnsetSize},
+ {"f2fs_iostat_latency",
+ "f2fs",
+ {
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "d_rd_avg", 1, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "d_rd_cnt", 2, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "d_rd_peak", 3, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "d_wr_as_avg", 4, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "d_wr_as_cnt", 5, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "d_wr_as_peak", 6, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "d_wr_s_avg", 7, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "d_wr_s_cnt", 8, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "d_wr_s_peak", 9, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "dev", 10, ProtoSchemaType::kUint64,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "m_rd_avg", 11, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "m_rd_cnt", 12, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "m_rd_peak", 13, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "m_wr_as_avg", 14, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "m_wr_as_cnt", 15, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "m_wr_as_peak", 16, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "m_wr_s_avg", 17, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "m_wr_s_cnt", 18, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "m_wr_s_peak", 19, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "n_rd_avg", 20, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "n_rd_cnt", 21, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "n_rd_peak", 22, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "n_wr_as_avg", 23, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "n_wr_as_cnt", 24, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "n_wr_as_peak", 25, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "n_wr_s_avg", 26, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "n_wr_s_cnt", 27, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ {kUnsetOffset, kUnsetSize, FtraceFieldType::kInvalidFtraceFieldType,
+ "n_wr_s_peak", 28, ProtoSchemaType::kUint32,
+ TranslationStrategy::kInvalidTranslationStrategy},
+ },
+ kUnsetFtraceId,
+ 420,
+ kUnsetSize},
{"fastrpc_dma_stat",
"fastrpc",
{
diff --git a/src/traced/probes/ftrace/test/data/synthetic/events/f2fs/f2fs_iostat_latency/format b/src/traced/probes/ftrace/test/data/synthetic/events/f2fs/f2fs_iostat_latency/format
new file mode 100644
index 0000000..9b55367
--- /dev/null
+++ b/src/traced/probes/ftrace/test/data/synthetic/events/f2fs/f2fs_iostat_latency/format
@@ -0,0 +1,38 @@
+name: f2fs_iostat_latency
+ID: 574
+format:
+ field:unsigned short common_type; offset:0; size:2; signed:0;
+ field:unsigned char common_flags; offset:2; size:1; signed:0;
+ field:unsigned char common_preempt_count; offset:3; size:1; signed:0;
+ field:int common_pid; offset:4; size:4; signed:1;
+
+ field:dev_t dev; offset:8; size:4; signed:0;
+ field:unsigned int d_rd_peak; offset:12; size:4; signed:0;
+ field:unsigned int d_rd_avg; offset:16; size:4; signed:0;
+ field:unsigned int d_rd_cnt; offset:20; size:4; signed:0;
+ field:unsigned int n_rd_peak; offset:24; size:4; signed:0;
+ field:unsigned int n_rd_avg; offset:28; size:4; signed:0;
+ field:unsigned int n_rd_cnt; offset:32; size:4; signed:0;
+ field:unsigned int m_rd_peak; offset:36; size:4; signed:0;
+ field:unsigned int m_rd_avg; offset:40; size:4; signed:0;
+ field:unsigned int m_rd_cnt; offset:44; size:4; signed:0;
+ field:unsigned int d_wr_s_peak; offset:48; size:4; signed:0;
+ field:unsigned int d_wr_s_avg; offset:52; size:4; signed:0;
+ field:unsigned int d_wr_s_cnt; offset:56; size:4; signed:0;
+ field:unsigned int n_wr_s_peak; offset:60; size:4; signed:0;
+ field:unsigned int n_wr_s_avg; offset:64; size:4; signed:0;
+ field:unsigned int n_wr_s_cnt; offset:68; size:4; signed:0;
+ field:unsigned int m_wr_s_peak; offset:72; size:4; signed:0;
+ field:unsigned int m_wr_s_avg; offset:76; size:4; signed:0;
+ field:unsigned int m_wr_s_cnt; offset:80; size:4; signed:0;
+ field:unsigned int d_wr_as_peak; offset:84; size:4; signed:0;
+ field:unsigned int d_wr_as_avg; offset:88; size:4; signed:0;
+ field:unsigned int d_wr_as_cnt; offset:92; size:4; signed:0;
+ field:unsigned int n_wr_as_peak; offset:96; size:4; signed:0;
+ field:unsigned int n_wr_as_avg; offset:100; size:4; signed:0;
+ field:unsigned int n_wr_as_cnt; offset:104; size:4; signed:0;
+ field:unsigned int m_wr_as_peak; offset:108; size:4; signed:0;
+ field:unsigned int m_wr_as_avg; offset:112; size:4; signed:0;
+ field:unsigned int m_wr_as_cnt; offset:116; size:4; signed:0;
+
+print fmt: "dev = (%d,%d), iotype [peak lat.(ms)/avg lat.(ms)/count], rd_data [%u/%u/%u], rd_node [%u/%u/%u], rd_meta [%u/%u/%u], wr_sync_data [%u/%u/%u], wr_sync_node [%u/%u/%u], wr_sync_meta [%u/%u/%u], wr_async_data [%u/%u/%u], wr_async_node [%u/%u/%u], wr_async_meta [%u/%u/%u]", ((unsigned int) ((REC->dev) >> 20)), ((unsigned int) ((REC->dev) & ((1U << 20) - 1))), REC->d_rd_peak, REC->d_rd_avg, REC->d_rd_cnt, REC->n_rd_peak, REC->n_rd_avg, REC->n_rd_cnt, REC->m_rd_peak, REC->m_rd_avg, REC->m_rd_cnt, REC->d_wr_s_peak, REC->d_wr_s_avg, REC->d_wr_s_cnt, REC->n_wr_s_peak, REC->n_wr_s_avg, REC->n_wr_s_cnt, REC->m_wr_s_peak, REC->m_wr_s_avg, REC->m_wr_s_cnt, REC->d_wr_as_peak, REC->d_wr_as_avg, REC->d_wr_as_cnt, REC->n_wr_as_peak, REC->n_wr_as_avg, REC->n_wr_as_cnt, REC->m_wr_as_peak, REC->m_wr_as_avg, REC->m_wr_as_cnt
diff --git a/test/trace_processor/fs/f2fs_iostat_latency.out b/test/trace_processor/fs/f2fs_iostat_latency.out
new file mode 100644
index 0000000..0d5ecae
--- /dev/null
+++ b/test/trace_processor/fs/f2fs_iostat_latency.out
@@ -0,0 +1,136 @@
+"name","ts","value"
+"f2fs_iostat_latency.[254:32].read_data_avg",1629349027,0.000000
+"f2fs_iostat_latency.[254:32].read_data_avg",1638349595,0.000000
+"f2fs_iostat_latency.[254:32].read_data_cnt",1629349027,143.000000
+"f2fs_iostat_latency.[254:32].read_data_cnt",1638349595,135.000000
+"f2fs_iostat_latency.[254:32].read_data_peak",1629349027,4.000000
+"f2fs_iostat_latency.[254:32].read_data_peak",1638349595,4.000000
+"f2fs_iostat_latency.[254:32].read_meta_avg",1629349027,2.000000
+"f2fs_iostat_latency.[254:32].read_meta_avg",1638349595,1.000000
+"f2fs_iostat_latency.[254:32].read_meta_cnt",1629349027,4.000000
+"f2fs_iostat_latency.[254:32].read_meta_cnt",1638349595,5.000000
+"f2fs_iostat_latency.[254:32].read_meta_peak",1629349027,4.000000
+"f2fs_iostat_latency.[254:32].read_meta_peak",1638349595,4.000000
+"f2fs_iostat_latency.[254:32].read_node_avg",1629349027,1.000000
+"f2fs_iostat_latency.[254:32].read_node_avg",1638349595,0.000000
+"f2fs_iostat_latency.[254:32].read_node_cnt",1629349027,121.000000
+"f2fs_iostat_latency.[254:32].read_node_cnt",1638349595,0.000000
+"f2fs_iostat_latency.[254:32].read_node_peak",1629349027,3.000000
+"f2fs_iostat_latency.[254:32].read_node_peak",1638349595,0.000000
+"f2fs_iostat_latency.[254:32].write_async_data_avg",1629349027,2.000000
+"f2fs_iostat_latency.[254:32].write_async_data_avg",1638349595,3.000000
+"f2fs_iostat_latency.[254:32].write_async_data_cnt",1629349027,929.000000
+"f2fs_iostat_latency.[254:32].write_async_data_cnt",1638349595,631.000000
+"f2fs_iostat_latency.[254:32].write_async_data_peak",1629349027,16.000000
+"f2fs_iostat_latency.[254:32].write_async_data_peak",1638349595,12.000000
+"f2fs_iostat_latency.[254:32].write_async_meta_avg",1629349027,0.000000
+"f2fs_iostat_latency.[254:32].write_async_meta_avg",1638349595,0.000000
+"f2fs_iostat_latency.[254:32].write_async_meta_cnt",1629349027,0.000000
+"f2fs_iostat_latency.[254:32].write_async_meta_cnt",1638349595,0.000000
+"f2fs_iostat_latency.[254:32].write_async_meta_peak",1629349027,0.000000
+"f2fs_iostat_latency.[254:32].write_async_meta_peak",1638349595,0.000000
+"f2fs_iostat_latency.[254:32].write_async_node_avg",1629349027,1.000000
+"f2fs_iostat_latency.[254:32].write_async_node_avg",1638349595,0.000000
+"f2fs_iostat_latency.[254:32].write_async_node_cnt",1629349027,23.000000
+"f2fs_iostat_latency.[254:32].write_async_node_cnt",1638349595,0.000000
+"f2fs_iostat_latency.[254:32].write_async_node_peak",1629349027,5.000000
+"f2fs_iostat_latency.[254:32].write_async_node_peak",1638349595,0.000000
+"f2fs_iostat_latency.[254:32].write_sync_data_avg",1629349027,2.000000
+"f2fs_iostat_latency.[254:32].write_sync_data_avg",1638349595,2.000000
+"f2fs_iostat_latency.[254:32].write_sync_data_cnt",1629349027,2705.000000
+"f2fs_iostat_latency.[254:32].write_sync_data_cnt",1638349595,3092.000000
+"f2fs_iostat_latency.[254:32].write_sync_data_peak",1629349027,20.000000
+"f2fs_iostat_latency.[254:32].write_sync_data_peak",1638349595,12.000000
+"f2fs_iostat_latency.[254:32].write_sync_meta_avg",1629349027,1.000000
+"f2fs_iostat_latency.[254:32].write_sync_meta_avg",1638349595,1.000000
+"f2fs_iostat_latency.[254:32].write_sync_meta_cnt",1629349027,1471.000000
+"f2fs_iostat_latency.[254:32].write_sync_meta_cnt",1638349595,1856.000000
+"f2fs_iostat_latency.[254:32].write_sync_meta_peak",1629349027,20.000000
+"f2fs_iostat_latency.[254:32].write_sync_meta_peak",1638349595,40.000000
+"f2fs_iostat_latency.[254:32].write_sync_node_avg",1629349027,0.000000
+"f2fs_iostat_latency.[254:32].write_sync_node_avg",1638349595,1.000000
+"f2fs_iostat_latency.[254:32].write_sync_node_cnt",1629349027,411.000000
+"f2fs_iostat_latency.[254:32].write_sync_node_cnt",1638349595,392.000000
+"f2fs_iostat_latency.[254:32].write_sync_node_peak",1629349027,20.000000
+"f2fs_iostat_latency.[254:32].write_sync_node_peak",1638349595,36.000000
+"f2fs_iostat_latency.[254:46].read_data_avg",1626347346,0.000000
+"f2fs_iostat_latency.[254:46].read_data_avg",1632350255,0.000000
+"f2fs_iostat_latency.[254:46].read_data_avg",1635348134,0.000000
+"f2fs_iostat_latency.[254:46].read_data_cnt",1626347346,84.000000
+"f2fs_iostat_latency.[254:46].read_data_cnt",1632350255,108.000000
+"f2fs_iostat_latency.[254:46].read_data_cnt",1635348134,127.000000
+"f2fs_iostat_latency.[254:46].read_data_peak",1626347346,4.000000
+"f2fs_iostat_latency.[254:46].read_data_peak",1632350255,4.000000
+"f2fs_iostat_latency.[254:46].read_data_peak",1635348134,4.000000
+"f2fs_iostat_latency.[254:46].read_meta_avg",1626347346,2.000000
+"f2fs_iostat_latency.[254:46].read_meta_avg",1632350255,0.000000
+"f2fs_iostat_latency.[254:46].read_meta_avg",1635348134,2.000000
+"f2fs_iostat_latency.[254:46].read_meta_cnt",1626347346,4.000000
+"f2fs_iostat_latency.[254:46].read_meta_cnt",1632350255,5.000000
+"f2fs_iostat_latency.[254:46].read_meta_cnt",1635348134,4.000000
+"f2fs_iostat_latency.[254:46].read_meta_peak",1626347346,4.000000
+"f2fs_iostat_latency.[254:46].read_meta_peak",1632350255,4.000000
+"f2fs_iostat_latency.[254:46].read_meta_peak",1635348134,4.000000
+"f2fs_iostat_latency.[254:46].read_node_avg",1626347346,0.000000
+"f2fs_iostat_latency.[254:46].read_node_avg",1632350255,0.000000
+"f2fs_iostat_latency.[254:46].read_node_avg",1635348134,0.000000
+"f2fs_iostat_latency.[254:46].read_node_cnt",1626347346,0.000000
+"f2fs_iostat_latency.[254:46].read_node_cnt",1632350255,0.000000
+"f2fs_iostat_latency.[254:46].read_node_cnt",1635348134,0.000000
+"f2fs_iostat_latency.[254:46].read_node_peak",1626347346,0.000000
+"f2fs_iostat_latency.[254:46].read_node_peak",1632350255,0.000000
+"f2fs_iostat_latency.[254:46].read_node_peak",1635348134,0.000000
+"f2fs_iostat_latency.[254:46].write_async_data_avg",1626347346,3.000000
+"f2fs_iostat_latency.[254:46].write_async_data_avg",1632350255,2.000000
+"f2fs_iostat_latency.[254:46].write_async_data_avg",1635348134,2.000000
+"f2fs_iostat_latency.[254:46].write_async_data_cnt",1626347346,800.000000
+"f2fs_iostat_latency.[254:46].write_async_data_cnt",1632350255,531.000000
+"f2fs_iostat_latency.[254:46].write_async_data_cnt",1635348134,790.000000
+"f2fs_iostat_latency.[254:46].write_async_data_peak",1626347346,16.000000
+"f2fs_iostat_latency.[254:46].write_async_data_peak",1632350255,12.000000
+"f2fs_iostat_latency.[254:46].write_async_data_peak",1635348134,36.000000
+"f2fs_iostat_latency.[254:46].write_async_meta_avg",1626347346,0.000000
+"f2fs_iostat_latency.[254:46].write_async_meta_avg",1632350255,1.000000
+"f2fs_iostat_latency.[254:46].write_async_meta_avg",1635348134,0.000000
+"f2fs_iostat_latency.[254:46].write_async_meta_cnt",1626347346,0.000000
+"f2fs_iostat_latency.[254:46].write_async_meta_cnt",1632350255,34.000000
+"f2fs_iostat_latency.[254:46].write_async_meta_cnt",1635348134,0.000000
+"f2fs_iostat_latency.[254:46].write_async_meta_peak",1626347346,0.000000
+"f2fs_iostat_latency.[254:46].write_async_meta_peak",1632350255,5.000000
+"f2fs_iostat_latency.[254:46].write_async_meta_peak",1635348134,0.000000
+"f2fs_iostat_latency.[254:46].write_async_node_avg",1626347346,0.000000
+"f2fs_iostat_latency.[254:46].write_async_node_avg",1632350255,0.000000
+"f2fs_iostat_latency.[254:46].write_async_node_avg",1635348134,0.000000
+"f2fs_iostat_latency.[254:46].write_async_node_cnt",1626347346,0.000000
+"f2fs_iostat_latency.[254:46].write_async_node_cnt",1632350255,0.000000
+"f2fs_iostat_latency.[254:46].write_async_node_cnt",1635348134,0.000000
+"f2fs_iostat_latency.[254:46].write_async_node_peak",1626347346,0.000000
+"f2fs_iostat_latency.[254:46].write_async_node_peak",1632350255,0.000000
+"f2fs_iostat_latency.[254:46].write_async_node_peak",1635348134,0.000000
+"f2fs_iostat_latency.[254:46].write_sync_data_avg",1626347346,2.000000
+"f2fs_iostat_latency.[254:46].write_sync_data_avg",1632350255,2.000000
+"f2fs_iostat_latency.[254:46].write_sync_data_avg",1635348134,1.000000
+"f2fs_iostat_latency.[254:46].write_sync_data_cnt",1626347346,2398.000000
+"f2fs_iostat_latency.[254:46].write_sync_data_cnt",1632350255,3034.000000
+"f2fs_iostat_latency.[254:46].write_sync_data_cnt",1635348134,3019.000000
+"f2fs_iostat_latency.[254:46].write_sync_data_peak",1626347346,24.000000
+"f2fs_iostat_latency.[254:46].write_sync_data_peak",1632350255,36.000000
+"f2fs_iostat_latency.[254:46].write_sync_data_peak",1635348134,28.000000
+"f2fs_iostat_latency.[254:46].write_sync_meta_avg",1626347346,1.000000
+"f2fs_iostat_latency.[254:46].write_sync_meta_avg",1632350255,0.000000
+"f2fs_iostat_latency.[254:46].write_sync_meta_avg",1635348134,1.000000
+"f2fs_iostat_latency.[254:46].write_sync_meta_cnt",1626347346,1325.000000
+"f2fs_iostat_latency.[254:46].write_sync_meta_cnt",1632350255,1602.000000
+"f2fs_iostat_latency.[254:46].write_sync_meta_cnt",1635348134,1739.000000
+"f2fs_iostat_latency.[254:46].write_sync_meta_peak",1626347346,20.000000
+"f2fs_iostat_latency.[254:46].write_sync_meta_peak",1632350255,20.000000
+"f2fs_iostat_latency.[254:46].write_sync_meta_peak",1635348134,8.000000
+"f2fs_iostat_latency.[254:46].write_sync_node_avg",1626347346,1.000000
+"f2fs_iostat_latency.[254:46].write_sync_node_avg",1632350255,1.000000
+"f2fs_iostat_latency.[254:46].write_sync_node_avg",1635348134,0.000000
+"f2fs_iostat_latency.[254:46].write_sync_node_cnt",1626347346,428.000000
+"f2fs_iostat_latency.[254:46].write_sync_node_cnt",1632350255,390.000000
+"f2fs_iostat_latency.[254:46].write_sync_node_cnt",1635348134,407.000000
+"f2fs_iostat_latency.[254:46].write_sync_node_peak",1626347346,24.000000
+"f2fs_iostat_latency.[254:46].write_sync_node_peak",1632350255,32.000000
+"f2fs_iostat_latency.[254:46].write_sync_node_peak",1635348134,16.000000
diff --git a/test/trace_processor/fs/f2fs_iostat_latency.sql b/test/trace_processor/fs/f2fs_iostat_latency.sql
new file mode 100644
index 0000000..fa20398
--- /dev/null
+++ b/test/trace_processor/fs/f2fs_iostat_latency.sql
@@ -0,0 +1,10 @@
+SELECT
+ name,
+ ts,
+ value
+FROM
+ counter AS c
+ JOIN
+ counter_track AS ct
+ ON c.track_id = ct.id
+ORDER BY name,ts
diff --git a/test/trace_processor/fs/f2fs_iostat_latency.textproto b/test/trace_processor/fs/f2fs_iostat_latency.textproto
new file mode 100644
index 0000000..445fb6f
--- /dev/null
+++ b/test/trace_processor/fs/f2fs_iostat_latency.textproto
@@ -0,0 +1,195 @@
+packet {
+ ftrace_events {
+ cpu: 0
+ event {
+ timestamp: 1626347346
+ pid: 9087
+ f2fs_iostat_latency {
+ dev: 0xfe2e
+ d_rd_peak: 4
+ d_rd_avg: 0
+ d_rd_cnt: 84
+ n_rd_peak: 0
+ n_rd_avg: 0
+ n_rd_cnt: 0
+ m_rd_peak: 4
+ m_rd_avg: 2
+ m_rd_cnt: 4
+ d_wr_s_peak: 24
+ d_wr_s_avg: 2
+ d_wr_s_cnt: 2398
+ n_wr_s_peak: 24
+ n_wr_s_avg: 1
+ n_wr_s_cnt: 428
+ m_wr_s_peak: 20
+ m_wr_s_avg: 1
+ m_wr_s_cnt: 1325
+ d_wr_as_peak: 16
+ d_wr_as_avg: 3
+ d_wr_as_cnt: 800
+ n_wr_as_peak: 0
+ n_wr_as_avg: 0
+ n_wr_as_cnt: 0
+ m_wr_as_peak: 0
+ m_wr_as_avg: 0
+ m_wr_as_cnt: 0
+ }
+ }
+ }
+}
+packet {
+ ftrace_events {
+ cpu: 4
+ event {
+ timestamp: 1629349027
+ pid: 9662
+ f2fs_iostat_latency {
+ dev: 0xfe20
+ d_rd_peak: 4
+ d_rd_avg: 0
+ d_rd_cnt: 143
+ n_rd_peak: 3
+ n_rd_avg: 1
+ n_rd_cnt: 121
+ m_rd_peak: 4
+ m_rd_avg: 2
+ m_rd_cnt: 4
+ d_wr_s_peak: 20
+ d_wr_s_avg: 2
+ d_wr_s_cnt: 2705
+ n_wr_s_peak: 20
+ n_wr_s_avg: 0
+ n_wr_s_cnt: 411
+ m_wr_s_peak: 20
+ m_wr_s_avg: 1
+ m_wr_s_cnt: 1471
+ d_wr_as_peak: 16
+ d_wr_as_avg: 2
+ d_wr_as_cnt: 929
+ n_wr_as_peak: 5
+ n_wr_as_avg: 1
+ n_wr_as_cnt: 23
+ m_wr_as_peak: 0
+ m_wr_as_avg: 0
+ m_wr_as_cnt: 0
+ }
+ }
+ }
+}
+packet {
+ ftrace_events {
+ cpu: 3
+ event {
+ timestamp: 1632350255
+ pid: 2718
+ f2fs_iostat_latency {
+ dev: 0xfe2e
+ d_rd_peak: 4
+ d_rd_avg: 0
+ d_rd_cnt: 108
+ n_rd_peak: 0
+ n_rd_avg: 0
+ n_rd_cnt: 0
+ m_rd_peak: 4
+ m_rd_avg: 0
+ m_rd_cnt: 5
+ d_wr_s_peak: 36
+ d_wr_s_avg: 2
+ d_wr_s_cnt: 3034
+ n_wr_s_peak: 32
+ n_wr_s_avg: 1
+ n_wr_s_cnt: 390
+ m_wr_s_peak: 20
+ m_wr_s_avg: 0
+ m_wr_s_cnt: 1602
+ d_wr_as_peak: 12
+ d_wr_as_avg: 2
+ d_wr_as_cnt: 531
+ n_wr_as_peak: 0
+ n_wr_as_avg: 0
+ n_wr_as_cnt: 0
+ m_wr_as_peak: 5
+ m_wr_as_avg: 1
+ m_wr_as_cnt: 34
+ }
+ }
+ }
+}
+packet {
+ ftrace_events {
+ cpu: 2
+ event {
+ timestamp: 1635348134
+ pid: 9634
+ f2fs_iostat_latency {
+ dev: 0xfe2e
+ d_rd_peak: 4
+ d_rd_avg: 0
+ d_rd_cnt: 127
+ n_rd_peak: 0
+ n_rd_avg: 0
+ n_rd_cnt: 0
+ m_rd_peak: 4
+ m_rd_avg: 2
+ m_rd_cnt: 4
+ d_wr_s_peak: 28
+ d_wr_s_avg: 1
+ d_wr_s_cnt: 3019
+ n_wr_s_peak: 16
+ n_wr_s_avg: 0
+ n_wr_s_cnt: 407
+ m_wr_s_peak: 8
+ m_wr_s_avg: 1
+ m_wr_s_cnt: 1739
+ d_wr_as_peak: 36
+ d_wr_as_avg: 2
+ d_wr_as_cnt: 790
+ n_wr_as_peak: 0
+ n_wr_as_avg: 0
+ n_wr_as_cnt: 0
+ m_wr_as_peak: 0
+ m_wr_as_avg: 0
+ m_wr_as_cnt: 0
+ }
+ }
+ }
+}
+packet {
+ ftrace_events {
+ cpu: 2
+ event {
+ timestamp: 1638349595
+ pid: 9657
+ f2fs_iostat_latency {
+ dev: 0xfe20
+ d_rd_peak: 4
+ d_rd_avg: 0
+ d_rd_cnt: 135
+ n_rd_peak: 0
+ n_rd_avg: 0
+ n_rd_cnt: 0
+ m_rd_peak: 4
+ m_rd_avg: 1
+ m_rd_cnt: 5
+ d_wr_s_peak: 12
+ d_wr_s_avg: 2
+ d_wr_s_cnt: 3092
+ n_wr_s_peak: 36
+ n_wr_s_avg: 1
+ n_wr_s_cnt: 392
+ m_wr_s_peak: 40
+ m_wr_s_avg: 1
+ m_wr_s_cnt: 1856
+ d_wr_as_peak: 12
+ d_wr_as_avg: 3
+ d_wr_as_cnt: 631
+ n_wr_as_peak: 0
+ n_wr_as_avg: 0
+ n_wr_as_cnt: 0
+ m_wr_as_peak: 0
+ m_wr_as_avg: 0
+ m_wr_as_cnt: 0
+ }
+ }
+ }
+}
diff --git a/test/trace_processor/fs/index b/test/trace_processor/fs/index
index c79f389..e95ab09 100644
--- a/test/trace_processor/fs/index
+++ b/test/trace_processor/fs/index
@@ -1 +1,2 @@
f2fs_iostat.textproto f2fs_iostat.sql f2fs_iostat.out
+f2fs_iostat_latency.textproto f2fs_iostat_latency.sql f2fs_iostat_latency.out
