jemalloc: use libunwind in profiling

teskje · teskje · commit f813de17774b · 2025-04-09T16:51:38.000+02:00
This is a workaround for deadlocks caused by nested unwinding, recommended in jemalloc/jemalloc#2282.
diff --git a/misc/bazel/c_deps/BUILD.jemalloc.bazel b/misc/bazel/c_deps/BUILD.jemalloc.bazel
@@ -37,6 +37,9 @@ CONFIGURE_OPTIONS = [
     "--enable-prof",
     "--enable-stats",
     "--with-malloc-conf=background_thread:true",
+    # Workaround to avoid deadlocking when jemalloc profiling causes nested
+    # backtrace collection. See database-issues#9159.
+    "--enable-prof-libunwind",
 ]
 
 configure_make(

Original file line number	Diff line number	Diff line change
`@@ -37,6 +37,9 @@ CONFIGURE_OPTIONS = [`
`37`	`37`	`"--enable-prof",`
`38`	`38`	`"--enable-stats",`
`39`	`39`	`"--with-malloc-conf=background_thread:true",`
	`40`	`+ # Workaround to avoid deadlocking when jemalloc profiling causes nested`
	`41`	`+ # backtrace collection. See database-issues#9159.`
	`42`	`+ "--enable-prof-libunwind",`
`40`	`43`	`]`
`41`	`44`
`42`	`45`	`configure_make(`