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-rw-r--r--third_party/git/trace2/tr2_tls.c180
1 files changed, 0 insertions, 180 deletions
diff --git a/third_party/git/trace2/tr2_tls.c b/third_party/git/trace2/tr2_tls.c
deleted file mode 100644
index 067c23755fb5..000000000000
--- a/third_party/git/trace2/tr2_tls.c
+++ /dev/null
@@ -1,180 +0,0 @@
-#include "cache.h"
-#include "thread-utils.h"
-#include "trace2/tr2_tls.h"
-
-/*
- * Initialize size of the thread stack for nested regions.
- * This is used to store nested region start times.  Note that
- * this stack is per-thread and not per-trace-key.
- */
-#define TR2_REGION_NESTING_INITIAL_SIZE (100)
-
-static struct tr2tls_thread_ctx *tr2tls_thread_main;
-static uint64_t tr2tls_us_start_process;
-
-static pthread_mutex_t tr2tls_mutex;
-static pthread_key_t tr2tls_key;
-
-static int tr2_next_thread_id; /* modify under lock */
-
-void tr2tls_start_process_clock(void)
-{
-	if (tr2tls_us_start_process)
-		return;
-
-	/*
-	 * Keep the absolute start time of the process (i.e. the main
-	 * process) in a fixed variable since other threads need to
-	 * access it.  This allows them to do that without a lock on
-	 * main thread's array data (because of reallocs).
-	 */
-	tr2tls_us_start_process = getnanotime() / 1000;
-}
-
-struct tr2tls_thread_ctx *tr2tls_create_self(const char *thread_name,
-					     uint64_t us_thread_start)
-{
-	struct tr2tls_thread_ctx *ctx = xcalloc(1, sizeof(*ctx));
-
-	/*
-	 * Implicitly "tr2tls_push_self()" to capture the thread's start
-	 * time in array_us_start[0].  For the main thread this gives us the
-	 * application run time.
-	 */
-	ctx->alloc = TR2_REGION_NESTING_INITIAL_SIZE;
-	ctx->array_us_start = (uint64_t *)xcalloc(ctx->alloc, sizeof(uint64_t));
-	ctx->array_us_start[ctx->nr_open_regions++] = us_thread_start;
-
-	ctx->thread_id = tr2tls_locked_increment(&tr2_next_thread_id);
-
-	strbuf_init(&ctx->thread_name, 0);
-	if (ctx->thread_id)
-		strbuf_addf(&ctx->thread_name, "th%02d:", ctx->thread_id);
-	strbuf_addstr(&ctx->thread_name, thread_name);
-	if (ctx->thread_name.len > TR2_MAX_THREAD_NAME)
-		strbuf_setlen(&ctx->thread_name, TR2_MAX_THREAD_NAME);
-
-	pthread_setspecific(tr2tls_key, ctx);
-
-	return ctx;
-}
-
-struct tr2tls_thread_ctx *tr2tls_get_self(void)
-{
-	struct tr2tls_thread_ctx *ctx;
-
-	if (!HAVE_THREADS)
-		return tr2tls_thread_main;
-
-	ctx = pthread_getspecific(tr2tls_key);
-
-	/*
-	 * If the thread-proc did not call trace2_thread_start(), we won't
-	 * have any TLS data associated with the current thread.  Fix it
-	 * here and silently continue.
-	 */
-	if (!ctx)
-		ctx = tr2tls_create_self("unknown", getnanotime() / 1000);
-
-	return ctx;
-}
-
-int tr2tls_is_main_thread(void)
-{
-	if (!HAVE_THREADS)
-		return 1;
-
-	return pthread_getspecific(tr2tls_key) == tr2tls_thread_main;
-}
-
-void tr2tls_unset_self(void)
-{
-	struct tr2tls_thread_ctx *ctx;
-
-	ctx = tr2tls_get_self();
-
-	pthread_setspecific(tr2tls_key, NULL);
-
-	free(ctx->array_us_start);
-	free(ctx);
-}
-
-void tr2tls_push_self(uint64_t us_now)
-{
-	struct tr2tls_thread_ctx *ctx = tr2tls_get_self();
-
-	ALLOC_GROW(ctx->array_us_start, ctx->nr_open_regions + 1, ctx->alloc);
-	ctx->array_us_start[ctx->nr_open_regions++] = us_now;
-}
-
-void tr2tls_pop_self(void)
-{
-	struct tr2tls_thread_ctx *ctx = tr2tls_get_self();
-
-	if (!ctx->nr_open_regions)
-		BUG("no open regions in thread '%s'", ctx->thread_name.buf);
-
-	ctx->nr_open_regions--;
-}
-
-void tr2tls_pop_unwind_self(void)
-{
-	struct tr2tls_thread_ctx *ctx = tr2tls_get_self();
-
-	while (ctx->nr_open_regions > 1)
-		tr2tls_pop_self();
-}
-
-uint64_t tr2tls_region_elasped_self(uint64_t us)
-{
-	struct tr2tls_thread_ctx *ctx;
-	uint64_t us_start;
-
-	ctx = tr2tls_get_self();
-	if (!ctx->nr_open_regions)
-		return 0;
-
-	us_start = ctx->array_us_start[ctx->nr_open_regions - 1];
-
-	return us - us_start;
-}
-
-uint64_t tr2tls_absolute_elapsed(uint64_t us)
-{
-	if (!tr2tls_thread_main)
-		return 0;
-
-	return us - tr2tls_us_start_process;
-}
-
-void tr2tls_init(void)
-{
-	tr2tls_start_process_clock();
-
-	pthread_key_create(&tr2tls_key, NULL);
-	init_recursive_mutex(&tr2tls_mutex);
-
-	tr2tls_thread_main =
-		tr2tls_create_self("main", tr2tls_us_start_process);
-}
-
-void tr2tls_release(void)
-{
-	tr2tls_unset_self();
-	tr2tls_thread_main = NULL;
-
-	pthread_mutex_destroy(&tr2tls_mutex);
-	pthread_key_delete(tr2tls_key);
-}
-
-int tr2tls_locked_increment(int *p)
-{
-	int current_value;
-
-	pthread_mutex_lock(&tr2tls_mutex);
-	current_value = *p;
-	*p = current_value + 1;
-	pthread_mutex_unlock(&tr2tls_mutex);
-
-	return current_value;
-}