diff options
Diffstat (limited to 'doc/gcov.txt')
| -rw-r--r-- | doc/gcov.txt | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/doc/gcov.txt b/doc/gcov.txt index c5944d04..956c5c88 100644 --- a/doc/gcov.txt +++ b/doc/gcov.txt @@ -40,13 +40,13 @@ FSP: linux (e.g. petitboot environment): dd if=/proc/kcore skip=1572864 count=6656 of=skiboot.dump -You basically need to dump out the 2MB of skiboot. +You basically need to dump out the first 3MB of skiboot memory. -You will need to find the following message in the skiboot log: -[2822590,5] GCOV: gcov_info_list at 0x3010a350 +Then you need to find out where the gcov data structures are: +perl -e "printf '0x%x', 0x30000000 + 0x`grep gcov_info_list skiboot.map|cut -f 1 -d ' '`" That address needs to be supplied to the extract-gcov utility: -./extract-gcov skiboot.dump 0x3010a350 +./extract-gcov skiboot.dump 0x3023ec40 Once you've run extract-gcov, it will have extracted the gcda files from the skiboot memory image. |
