broadwaylamb updated this revision to Diff 257340.
broadwaylamb added a comment.
Indent patterns in tests
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D78030/new/
https://reviews.llvm.org/D78030
Files:
clang/test/Driver/check-time-trace-sections.py
clang/test/Driver/check-time-trace.cpp
lld/test/ELF/time-trace.s
llvm/lib/Support/TimeProfiler.cpp
Index: llvm/lib/Support/TimeProfiler.cpp
===================================================================
--- llvm/lib/Support/TimeProfiler.cpp
+++ llvm/lib/Support/TimeProfiler.cpp
@@ -252,6 +252,21 @@
J.arrayEnd();
J.attributeEnd();
+
+ // Emit synchronization point, i. e. the absolute time of StartTime.
+ // When combining time profiler logs from different processes,
+ // this attribute helps preserve relative timing.
+ {
+ const auto SystemTime =
+ time_point_cast<microseconds>(system_clock::now());
+ const microseconds ProcessLocalTime =
+ time_point_cast<microseconds>(steady_clock::now()) -
+ time_point_cast<microseconds>(StartTime);
+ const auto BeginningOfTimeUs = SystemTime - ProcessLocalTime;
+ J.attribute("beginningOfTime",
+ BeginningOfTimeUs.time_since_epoch().count());
+ }
+
J.objectEnd();
}
Index: lld/test/ELF/time-trace.s
===================================================================
--- lld/test/ELF/time-trace.s
+++ lld/test/ELF/time-trace.s
@@ -18,7 +18,8 @@
# RUN: | %python -c 'import json, sys; json.dump(json.loads(sys.stdin.read()), sys.stdout, sort_keys=True, indent=2)' \
# RUN: | FileCheck %s
-# CHECK: "traceEvents": [
+# CHECK: "beginningOfTime": {{[0-9]{16},}}
+# CHECK-NEXT: "traceEvents": [
# Check one event has correct fields
# CHECK: "dur":
Index: clang/test/Driver/check-time-trace.cpp
===================================================================
--- clang/test/Driver/check-time-trace.cpp
+++ clang/test/Driver/check-time-trace.cpp
@@ -3,18 +3,19 @@
// RUN: | %python -c 'import json, sys; json.dump(json.loads(sys.stdin.read()), sys.stdout, sort_keys=True, indent=2)' \
// RUN: | FileCheck %s
-// CHECK: "traceEvents": [
-// CHECK: "args":
-// CHECK: "detail":
-// CHECK: "dur":
-// CHECK: "name":
+// CHECK: "beginningOfTime": {{[0-9]{16},}}
+// CHECK-NEXT: "traceEvents": [
+// CHECK: "args":
+// CHECK: "detail":
+// CHECK: "dur":
+// CHECK: "name":
// CHECK-NEXT: "ph":
// CHECK-NEXT: "pid":
// CHECK-NEXT: "tid":
// CHECK-NEXT: "ts":
-// CHECK: "name": "clang{{.*}}"
-// CHECK: "name": "process_name"
-// CHECK: "name": "thread_name"
+// CHECK: "name": "clang{{.*}}"
+// CHECK: "name": "process_name"
+// CHECK: "name": "thread_name"
template <typename T>
struct Struct {
Index: clang/test/Driver/check-time-trace-sections.py
===================================================================
--- clang/test/Driver/check-time-trace-sections.py
+++ clang/test/Driver/check-time-trace-sections.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python
-import json, sys
+import json, sys, time
def is_inside(range1, range2):
a = range1["ts"]; b = a + range1["dur"]
@@ -11,11 +11,20 @@
b = range1["ts"] + range1["dur"]; c = range2["ts"]
return b <= c
-events = json.loads(sys.stdin.read())["traceEvents"]
+log_contents = json.loads(sys.stdin.read())
+events = log_contents["traceEvents"]
codegens = [event for event in events if event["name"] == "CodeGen Function"]
frontends = [event for event in events if event["name"] == "Frontend"]
backends = [event for event in events if event["name"] == "Backend"]
+beginning_of_time = log_contents["beginningOfTime"] / 1000000
+seconds_since_epoch = time.time()
+
+# Make sure that the 'beginningOfTime' is not earlier than 10 seconds ago.
+if seconds_since_epoch - beginning_of_time > 10:
+ sys.exit("'beginningOfTime' should represent the absolute time when the "
+ "process has started")
+
if not all([any([is_inside(codegen, frontend) for frontend in frontends])
for codegen in codegens]):
sys.exit("Not all CodeGen sections are inside any Frontend section!")
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