Compress xz snapshots on one thread

Current xz uses a thread per core unless told otherwise, so a single
tar.xz request could keep every core busy, unlike the other compressors.

1 file changed, 2 insertions, 1 deletion

diff --git a/source/ui-snapshot.c b/source/ui-snapshot.cindex dae3459..32d40f8 100644--- a/source/ui-snapshot.c+++ b/source/ui-snapshot.c@@ -136,7 +136,8 @@ static int write_tar_lzip_archive(const char *hex, const char *prefix)  static int write_tar_xz_archive(const char *hex, const char *prefix) {-	const char *argv[] = { "xz", NULL };+	// Current xz runs a thread per core unless told otherwise.+	const char *argv[] = { "xz", "-T1", NULL };  	return write_compressed_tar_archive(hex, prefix, argv); }
diff --git a/source/ui-snapshot.c b/source/ui-snapshot.c
index dae3459..32d40f8 100644
--- a/source/ui-snapshot.c
+++ b/source/ui-snapshot.c
@@ -136,7 +136,8 @@ static int write_tar_lzip_archive(const char *hex, const char *prefix)
 
 static int write_tar_xz_archive(const char *hex, const char *prefix)
 {
-	const char *argv[] = { "xz", NULL };
+	// Current xz runs a thread per core unless told otherwise.
+	const char *argv[] = { "xz", "-T1", NULL };
 
 	return write_compressed_tar_archive(hex, prefix, argv);
 }