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-rw-r--r--trace2/tr2_cfg.c58
-rw-r--r--trace2/tr2_cfg.h8
-rw-r--r--trace2/tr2_sid.c2
-rw-r--r--trace2/tr2_sysenv.c2
-rw-r--r--trace2/tr2_sysenv.h1
-rw-r--r--trace2/tr2_tgt_perf.c17
6 files changed, 72 insertions, 16 deletions
diff --git a/trace2/tr2_cfg.c b/trace2/tr2_cfg.c
index caa7f06948..ec9ac1a6ef 100644
--- a/trace2/tr2_cfg.c
+++ b/trace2/tr2_cfg.c
@@ -7,6 +7,10 @@ static struct strbuf **tr2_cfg_patterns;
static int tr2_cfg_count_patterns;
static int tr2_cfg_loaded;
+static struct strbuf **tr2_cfg_env_vars;
+static int tr2_cfg_env_vars_count;
+static int tr2_cfg_env_vars_loaded;
+
/*
* Parse a string containing a comma-delimited list of config keys
* or wildcard patterns into a list of strbufs.
@@ -46,6 +50,45 @@ void tr2_cfg_free_patterns(void)
tr2_cfg_loaded = 0;
}
+/*
+ * Parse a string containing a comma-delimited list of environment variable
+ * names into a list of strbufs.
+ */
+static int tr2_load_env_vars(void)
+{
+ struct strbuf **s;
+ const char *varlist;
+
+ if (tr2_cfg_env_vars_loaded)
+ return tr2_cfg_env_vars_count;
+ tr2_cfg_env_vars_loaded = 1;
+
+ varlist = tr2_sysenv_get(TR2_SYSENV_ENV_VARS);
+ if (!varlist || !*varlist)
+ return tr2_cfg_env_vars_count;
+
+ tr2_cfg_env_vars = strbuf_split_buf(varlist, strlen(varlist), ',', -1);
+ for (s = tr2_cfg_env_vars; *s; s++) {
+ struct strbuf *buf = *s;
+
+ if (buf->len && buf->buf[buf->len - 1] == ',')
+ strbuf_setlen(buf, buf->len - 1);
+ strbuf_trim_trailing_newline(*s);
+ strbuf_trim(*s);
+ }
+
+ tr2_cfg_env_vars_count = s - tr2_cfg_env_vars;
+ return tr2_cfg_env_vars_count;
+}
+
+void tr2_cfg_free_env_vars(void)
+{
+ if (tr2_cfg_env_vars)
+ strbuf_list_free(tr2_cfg_env_vars);
+ tr2_cfg_env_vars_count = 0;
+ tr2_cfg_env_vars_loaded = 0;
+}
+
struct tr2_cfg_data {
const char *file;
int line;
@@ -79,6 +122,21 @@ void tr2_cfg_list_config_fl(const char *file, int line)
read_early_config(tr2_cfg_cb, &data);
}
+void tr2_list_env_vars_fl(const char *file, int line)
+{
+ struct strbuf **s;
+
+ if (tr2_load_env_vars() <= 0)
+ return;
+
+ for (s = tr2_cfg_env_vars; *s; s++) {
+ struct strbuf *buf = *s;
+ const char *val = getenv(buf->buf);
+ if (val && *val)
+ trace2_def_param_fl(file, line, buf->buf, val);
+ }
+}
+
void tr2_cfg_set_fl(const char *file, int line, const char *key,
const char *value)
{
diff --git a/trace2/tr2_cfg.h b/trace2/tr2_cfg.h
index d9c98f64dd..a11d71feb5 100644
--- a/trace2/tr2_cfg.h
+++ b/trace2/tr2_cfg.h
@@ -8,6 +8,12 @@
void tr2_cfg_list_config_fl(const char *file, int line);
/*
+ * Iterate over all "interesting" environment variables and emit 'def_param'
+ * events for them to TRACE2.
+ */
+void tr2_list_env_vars_fl(const char *file, int line);
+
+/*
* Emit a "def_param" event for the given key/value pair IF we consider
* the key to be "interesting".
*/
@@ -16,4 +22,6 @@ void tr2_cfg_set_fl(const char *file, int line, const char *key,
void tr2_cfg_free_patterns(void);
+void tr2_cfg_free_env_vars(void);
+
#endif /* TR2_CFG_H */
diff --git a/trace2/tr2_sid.c b/trace2/tr2_sid.c
index 6948fd4108..dc6e75ef13 100644
--- a/trace2/tr2_sid.c
+++ b/trace2/tr2_sid.c
@@ -19,7 +19,7 @@ static int tr2sid_nr_git_parents;
* "H<first_8_chars_of_sha1_of_hostname>"
* "Localhost" when no hostname.
*
- * where <process> is a 9 character string containing the least signifcant
+ * where <process> is a 9 character string containing the least significant
* 32 bits in the process-id.
* "P<pid>"
* (This is an abribrary choice. On most systems pid_t is a 32 bit value,
diff --git a/trace2/tr2_sysenv.c b/trace2/tr2_sysenv.c
index 3c3792eca2..a380dcf910 100644
--- a/trace2/tr2_sysenv.c
+++ b/trace2/tr2_sysenv.c
@@ -29,6 +29,8 @@ struct tr2_sysenv_entry {
static struct tr2_sysenv_entry tr2_sysenv_settings[] = {
[TR2_SYSENV_CFG_PARAM] = { "GIT_TRACE2_CONFIG_PARAMS",
"trace2.configparams" },
+ [TR2_SYSENV_ENV_VARS] = { "GIT_TRACE2_ENV_VARS",
+ "trace2.envvars" },
[TR2_SYSENV_DST_DEBUG] = { "GIT_TRACE2_DST_DEBUG",
"trace2.destinationdebug" },
diff --git a/trace2/tr2_sysenv.h b/trace2/tr2_sysenv.h
index d4364a7b85..3292ee15bc 100644
--- a/trace2/tr2_sysenv.h
+++ b/trace2/tr2_sysenv.h
@@ -11,6 +11,7 @@
*/
enum tr2_sysenv_variable {
TR2_SYSENV_CFG_PARAM = 0,
+ TR2_SYSENV_ENV_VARS,
TR2_SYSENV_DST_DEBUG,
diff --git a/trace2/tr2_tgt_perf.c b/trace2/tr2_tgt_perf.c
index ffac8029ad..a8018f18cc 100644
--- a/trace2/tr2_tgt_perf.c
+++ b/trace2/tr2_tgt_perf.c
@@ -26,12 +26,9 @@ static int tr2env_perf_be_brief;
#define TR2FMT_PERF_REPO_WIDTH (3)
#define TR2FMT_PERF_CATEGORY_WIDTH (12)
-#define TR2_DOTS_BUFFER_SIZE (100)
#define TR2_INDENT (2)
#define TR2_INDENT_LENGTH(ctx) (((ctx)->nr_open_regions - 1) * TR2_INDENT)
-static struct strbuf dots = STRBUF_INIT;
-
static int fn_init(void)
{
int want = tr2_dst_trace_want(&tr2dst_perf);
@@ -41,8 +38,6 @@ static int fn_init(void)
if (!want)
return want;
- strbuf_addchars(&dots, '.', TR2_DOTS_BUFFER_SIZE);
-
brief = tr2_sysenv_get(TR2_SYSENV_PERF_BRIEF);
if (brief && *brief &&
((want_brief = git_parse_maybe_bool(brief)) != -1))
@@ -54,8 +49,6 @@ static int fn_init(void)
static void fn_term(void)
{
tr2_dst_trace_disable(&tr2dst_perf);
-
- strbuf_release(&dots);
}
/*
@@ -138,14 +131,8 @@ static void perf_fmt_prepare(const char *event_name,
strbuf_addf(buf, "%-*.*s | ", TR2FMT_PERF_CATEGORY_WIDTH,
TR2FMT_PERF_CATEGORY_WIDTH, (category ? category : ""));
- if (ctx->nr_open_regions > 0) {
- int len_indent = TR2_INDENT_LENGTH(ctx);
- while (len_indent > dots.len) {
- strbuf_addbuf(buf, &dots);
- len_indent -= dots.len;
- }
- strbuf_addf(buf, "%.*s", len_indent, dots.buf);
- }
+ if (ctx->nr_open_regions > 0)
+ strbuf_addchars(buf, '.', TR2_INDENT_LENGTH(ctx));
}
static void perf_io_write_fl(const char *file, int line, const char *event_name,