table of contents
KMSG_DUMP_GET_BUFFER(9) | Driver Basics | KMSG_DUMP_GET_BUFFER(9) |
NAME¶
kmsg_dump_get_buffer - copy kmsg log lines
SYNOPSIS¶
bool kmsg_dump_get_buffer(struct kmsg_dumper * dumper, bool syslog, char * buf, size_t size, size_t * len);
ARGUMENTS¶
dumper
syslog
buf
size
len
DESCRIPTION¶
Start at the end of the kmsg buffer and fill the provided buffer with as many of the the *youngest* kmsg records that fit into it. If the buffer is large enough, all available kmsg records will be copied with a single call.
Consecutive calls will fill the buffer with the next block of available older records, not including the earlier retrieved ones.
A return value of FALSE indicates that there are no more records to read.
COPYRIGHT¶
January 2017 | Kernel Hackers Manual 4.8. |