This commit serves 2 purposes. First this may help the user who
tries to diagnose intermixed process calls. Second this may be used
in a later patch for testing. As the output of a command should not
change visibly except for going faster, grepping for the trace output
seems like a viable testing strategy.
Signed-off-by: Stefan Beller <sbel...@google.com>
---
run-command.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/run-command.c b/run-command.c
index 82cc238..49dec74 100644
--- a/run-command.c
+++ b/run-command.c
@@ -959,6 +959,9 @@ static struct parallel_processes *pp_init(int n,
n = online_cpus();
pp->max_processes = n;
+
+ trace_printf("run_processes_parallel: preparing to run up to %d
children in parallel", n);
+
pp->data = data;
if (!get_next_task)
die("BUG: you need to specify a get_next_task function");
@@ -988,6 +991,7 @@ static void pp_cleanup(struct parallel_processes *pp)
{
int i;
+ trace_printf("run_processes_parallel: parallel processing done");
for (i = 0; i < pp->max_processes; i++) {
strbuf_release(&pp->children[i].err);
child_process_deinit(&pp->children[i].process);
--
2.5.0.281.g4ed9cdb
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