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| author | Craig Hesling <hesling@chromium.org> | 2021-07-23 14:59:28 -0400 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-07-26 22:24:40 +0000 |
| commit | e12d74c025bf6af584b62583c27ac7c0fee278ec (patch) | |
| tree | bfb46848a6c4b8d561406d1da0125b804087681a /util/ec_parse_panicinfo.c | |
| parent | 201a9710afd383110e86fb9b599a42057855eb71 (diff) | |
| download | chrome-ec-e12d74c025bf6af584b62583c27ac7c0fee278ec.tar.gz | |
util/ec_parse_panicinfo: Add help message
BRANCH=none
BUG=b:176500425
TEST=make BOARD=dartmonkey -j
./build/dartmonkey/util/ec_parse_panicinfo --help
./build/dartmonkey/util/ec_parse_panicinfo # Ctrl-D
# Ensure it complains that "Panic data too short".
Signed-off-by: Craig Hesling <hesling@chromium.org>
Change-Id: I32bfb0b027cf51f9f17df774cba45abe6c03b5bc
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3048643
Commit-Queue: Aseda Aboagye <aaboagye@chromium.org>
Reviewed-by: Patryk Duda <pdk@semihalf.com>
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
Diffstat (limited to 'util/ec_parse_panicinfo.c')
| -rw-r--r-- | util/ec_parse_panicinfo.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/util/ec_parse_panicinfo.c b/util/ec_parse_panicinfo.c index a3fefcf7b5..3a2da4590a 100644 --- a/util/ec_parse_panicinfo.c +++ b/util/ec_parse_panicinfo.c @@ -22,6 +22,19 @@ int main(int argc, char *argv[]) BUILD_ASSERT(sizeof(pdata) > sizeof(struct panic_data)*2); + /* + * Provide a minimal help message. + */ + if (argc > 1) { + printf("Usage: cat <PANIC_BLOB_PATH> | ec_parse_panicinfo\n"); + printf("Print the plain text panic info from a raw EC panic " + "data blob.\n\n"); + printf("Example:\n"); + printf("ec_parse_panicinfo " + "</sys/kernel/debug/cros_ec/panicinfo\n"); + return 1; + } + while (1) { read = fread(&pdata[size], 1, sizeof(pdata)-size, stdin); if (read < 0) { |