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tests: add timestamp to kernel line

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Parse timestamps included in kernel kmsg line and add current system
time to the messsage as well - this makes it easier to look over,
when chasing some messages in journal after some time...
This commit is contained in:
Zdenek Kabelac 2024-04-08 21:14:54 +02:00
parent 08888d57cb
commit b120b2932d
1 changed files with 22 additions and 1 deletions
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23
test/lib/brick-shelltest.h
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@ -710,14 +710,35 @@ struct KMsg : Source {
return fd >= 0;
}
void transform( char *buf, ssize_t *sz ) {
char newbuf[ buffer_size ];
struct tm time_info;
unsigned level, num, pos;
unsigned long t;
time_t tt;
size_t len;
if (sscanf( buf, "%u,%u,%lu,-;%n", &level, &num, &t, &pos ) == 3) {
memcpy( newbuf, buf, *sz );
tt = time( 0 );
len = snprintf( buf, 64, "[%lu.%06lu] <%u> ", t / 1000000, t % 1000000, level );
if ( localtime_r( &tt, &time_info ) )
len += strftime( buf + len, 64, "%F %T ", &time_info );
memcpy( buf + len, newbuf + pos, *sz - pos );
*sz = *sz - pos + len;
}
}
void sync( Sink *s ) {
#ifdef __unix
ssize_t sz;
char buf[ buffer_size ];
if ( dev_kmsg() ) {
while ( (sz = ::read(fd, buf, buffer_size)) > 0 )
while ( (sz = ::read( fd, buf, buffer_size ) ) > 0 ) {
transform( buf, &sz );
s->push( std::string( buf, sz ) );
}
} else if ( can_clear ) {
while ( ( sz = klogctl( BRICK_SYSLOG_ACTION_READ_CLEAR, buf,
( int) buffer_size ) ) > 0 )