summaryrefslogtreecommitdiff
path: root/util/cbmem/cbmem.c
diff options
context:
space:
mode:
Diffstat (limited to 'util/cbmem/cbmem.c')
-rw-r--r--util/cbmem/cbmem.c27
1 files changed, 17 insertions, 10 deletions
diff --git a/util/cbmem/cbmem.c b/util/cbmem/cbmem.c
index bff863f3b8..51b4adc80c 100644
--- a/util/cbmem/cbmem.c
+++ b/util/cbmem/cbmem.c
@@ -621,23 +621,30 @@ static void dump_timestamps(int mach_readable)
if (!tst_p)
die("Unable to map full timestamp table\n");
- /* Report the base time within the table. */
- prev_stamp = 0;
- if (mach_readable)
- timestamp_print_parseable_entry(0, tst_p->base_time,
- prev_stamp);
- else
- timestamp_print_entry(0, tst_p->base_time, prev_stamp);
- prev_stamp = tst_p->base_time;
-
- sorted_tst_p = malloc(size);
+ sorted_tst_p = malloc(size + sizeof(struct timestamp_entry));
if (!sorted_tst_p)
die("Failed to allocate memory");
aligned_memcpy(sorted_tst_p, tst_p, size);
+ /*
+ * Insert a timestamp to represent the base time (start of coreboot),
+ * in case we have to rebase for negative timestamps below.
+ */
+ sorted_tst_p->entries[tst_p->num_entries].entry_id = 0;
+ sorted_tst_p->entries[tst_p->num_entries].entry_stamp = 0;
+ sorted_tst_p->num_entries += 1;
+
qsort(&sorted_tst_p->entries[0], sorted_tst_p->num_entries,
sizeof(struct timestamp_entry), compare_timestamp_entries);
+ /*
+ * If there are negative timestamp entries, rebase all of the
+ * timestamps to the lowest one in the list.
+ */
+ if (sorted_tst_p->entries[0].entry_stamp < 0)
+ sorted_tst_p->base_time = -sorted_tst_p->entries[0].entry_stamp;
+ prev_stamp = 0;
+
total_time = 0;
for (uint32_t i = 0; i < sorted_tst_p->num_entries; i++) {
uint64_t stamp;