diff options
author | David Woodhouse <dwmw2@infradead.org> | 2007-08-15 11:00:41 +0800 |
---|---|---|
committer | David Woodhouse <dwmw2@infradead.org> | 2007-08-15 11:00:41 +0800 |
commit | a8aa856e9b4ebbf2586bb8e33ddd2f0d872c7815 (patch) | |
tree | 8a2499ba778a167910aad07552d0d6b36290694d /recv_image.c | |
parent | 5f262bc2fc1a427b20fd4f54df0dbe650da47807 (diff) |
More timing measurements
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'recv_image.c')
-rw-r--r-- | recv_image.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/recv_image.c b/recv_image.c index d361e67..42379ca 100644 --- a/recv_image.c +++ b/recv_image.c @@ -56,7 +56,7 @@ int main(int argc, char **argv) struct eraseblock *eraseblocks = NULL; uint32_t start_seq; struct timeval start, now; - unsigned long fec_time = 0, flash_time = 0, crc_time = 0; + unsigned long fec_time = 0, flash_time = 0, crc_time = 0, rflash_time; if (argc != 4) { fprintf(stderr, "usage: %s <host> <port> <mtddev>\n", @@ -332,10 +332,13 @@ int main(int argc, char **argv) close(sock); for (block_nr = 0; block_nr < nr_blocks; block_nr++) { ssize_t rwlen; - + gettimeofday(&start, NULL); eraseblocks[block_nr].flash_offset -= meminfo.erasesize; rwlen = pread(flfd, eb_buf, meminfo.erasesize, eraseblocks[block_nr].flash_offset); + gettimeofday(&now, NULL); + rflash_time += (now.tv_usec - start.tv_usec) / 1000; + rflash_time += (now.tv_sec - start.tv_sec) * 1000; if (rwlen < 0) { perror("read"); /* Argh. Perhaps we could go back and try again, but if the flash is @@ -435,9 +438,10 @@ int main(int argc, char **argv) block_nr * meminfo.erasesize, eraseblocks[block_nr].nr_pkts); } close(flfd); + printf("flash rd %ld.%03lds\n", rflash_time / 1000, rflash_time % 1000); printf("FEC time %ld.%03lds\n", fec_time / 1000, fec_time % 1000); printf("CRC time %ld.%03lds\n", crc_time / 1000, crc_time % 1000); - printf("flash IO %ld.%03lds\n", flash_time / 1000, flash_time % 1000); + printf("flash wr %ld.%03lds\n", flash_time / 1000, flash_time % 1000); return 0; } |