diff options
Diffstat (limited to 'print_info.c')
| -rw-r--r-- | print_info.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/print_info.c b/print_info.c index 1a9f70c..392d863 100644 --- a/print_info.c +++ b/print_info.c @@ -200,6 +200,8 @@ print_usage(void) MSG(" [--num-threads THREADNUM]:\n"); MSG(" Using multiple threads to read and compress data of each page in parallel.\n"); MSG(" And it will reduces time for saving DUMPFILE.\n"); + MSG(" Note that if the usable cpu number is less than the thread number, it may\n"); + MSG(" lead to great performance degradation.\n"); MSG(" This feature only supports creating DUMPFILE in kdump-comressed format from\n"); MSG(" VMCORE in kdump-compressed format or elf format.\n"); MSG("\n"); |