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-rw-r--r--gn/perfetto.gni5
1 files changed, 3 insertions, 2 deletions
diff --git a/gn/perfetto.gni b/gn/perfetto.gni
index b778d887d..579fc0f6b 100644
--- a/gn/perfetto.gni
+++ b/gn/perfetto.gni
@@ -296,8 +296,9 @@ declare_args() {
enable_perfetto_trace_processor &&
(perfetto_build_standalone || perfetto_build_with_android)
- # Enables Zlib support. This is used both by the "perfetto" cmdline client
- # (for compressing traces) and by trace processor (for compressed traces).
+ # Enables Zlib support. This is used to compress traces (by the tracing
+ # service and by the "perfetto" cmdline client) and to decompress traces (by
+ # trace_processor).
enable_perfetto_zlib =
(enable_perfetto_trace_processor && !build_with_chromium) ||
enable_perfetto_platform_services