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| author | Martin Roth <martinroth@chromium.org> | 2018-03-07 15:32:16 -0700 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2018-03-09 17:16:21 +0000 |
| commit | b22bbe27fc9747928248eb644252129c5e630f0a (patch) | |
| tree | a9016c1f93a2a95f1df69e96f0f217f949ee624b | |
| parent | 8da81da3b9400763f066762dbf9a203f3892fabd (diff) | |
| download | coreboot-b22bbe27fc9747928248eb644252129c5e630f0a.tar.xz | |
Timestamps: Add option to print timestamps to debug console
Prints the timestamp name and value to the debug console if enabled
in Kconfig.
Change-Id: Ie6e6a4877fefec45fb987ceae7d42de6ce768159
Signed-off-by: Martin Roth <martinroth@chromium.org>
Reviewed-on: https://review.coreboot.org/25024
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
| -rw-r--r-- | src/Kconfig | 7 | ||||
| -rw-r--r-- | src/lib/timestamp.c | 16 |
2 files changed, 23 insertions, 0 deletions
diff --git a/src/Kconfig b/src/Kconfig index 692a5b7883..99a704dbd7 100644 --- a/src/Kconfig +++ b/src/Kconfig @@ -185,6 +185,13 @@ config COLLECT_TIMESTAMPS Make coreboot create a table of timer-ID/timer-value pairs to allow measuring time spent at different phases of the boot process. +config TIMESTAMPS_ON_CONSOLE + bool "Print the timestamp values on the console" + default n + depends on COLLECT_TIMESTAMPS + help + Print the timestamps to the debug console if enabled at level spew. + config USE_BLOBS bool "Allow use of binary-only repository" help diff --git a/src/lib/timestamp.c b/src/lib/timestamp.c index 149b8b8bbb..2ab725372b 100644 --- a/src/lib/timestamp.c +++ b/src/lib/timestamp.c @@ -154,6 +154,18 @@ static struct timestamp_table *timestamp_table_get(void) return ts_table; } +static const char *timestamp_name(enum timestamp_id id) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(timestamp_ids); i++) { + if (timestamp_ids[i].id == id) + return timestamp_ids[i].name; + } + + return "Unknown timestamp ID"; +} + static void timestamp_add_table_entry(struct timestamp_table *ts_table, enum timestamp_id id, uint64_t ts_time) { @@ -166,6 +178,10 @@ static void timestamp_add_table_entry(struct timestamp_table *ts_table, tse->entry_id = id; tse->entry_stamp = ts_time - ts_table->base_time; + if (IS_ENABLED(CONFIG_TIMESTAMPS_ON_CONSOLE)) + printk(BIOS_SPEW, "Timestamp - %s: %" PRIu64 "\n", + timestamp_name(id), ts_time); + if (ts_table->num_entries == ts_table->max_entries) printk(BIOS_ERR, "ERROR: Timestamp table full\n"); } |