[asan] Print unique_id instead of tid (llvm#111925)

vitalybuka · DanielCChen · commit f688c02ec241 · 2024-10-16T10:46:40.000-04:00
Before the first reuse, after 2^32 threads
they are equal.
diff --git a/compiler-rt/lib/asan/asan_descriptions.cpp b/compiler-rt/lib/asan/asan_descriptions.cpp
@@ -24,7 +24,7 @@ AsanThreadIdAndName::AsanThreadIdAndName(AsanThreadContext *t) {
     internal_snprintf(name, sizeof(name), "T-1");
     return;
   }
-  int len = internal_snprintf(name, sizeof(name), "T%d", t->tid);
+  int len = internal_snprintf(name, sizeof(name), "T%llu", t->unique_id);
   CHECK(((unsigned int)len) < sizeof(name));
   if (internal_strlen(t->name))
     internal_snprintf(&name[len], sizeof(name) - len, " (%s)", t->name);

Original file line number	Diff line number	Diff line change
`@@ -24,7 +24,7 @@ AsanThreadIdAndName::AsanThreadIdAndName(AsanThreadContext *t) {`
`24`	`24`	`internal_snprintf(name, sizeof(name), "T-1");`
`25`	`25`	`return;`
`26`	`26`	`}`
`27`		`- int len = internal_snprintf(name, sizeof(name), "T%d", t->tid);`
	`27`	`+ int len = internal_snprintf(name, sizeof(name), "T%llu", t->unique_id);`
`28`	`28`	`CHECK(((unsigned int)len) < sizeof(name));`
`29`	`29`	`if (internal_strlen(t->name))`
`30`	`30`	`internal_snprintf(&name[len], sizeof(name) - len, " (%s)", t->name);`