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savecore: include time zone in info.N file

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This helps with event correlation when machines are distributed
across multiple time zones.

Format the time with relaxed ISO 8601 for all the usual reasons.

MFC after:	2 weeks
Sponsored by:	Dell EMC Isilon
This commit is contained in:
Eric van Gyzen 2020-01-13 22:01:37 +00:00
parent cf64777f50
commit a532f299c9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=356706
1 changed files with 6 additions and 1 deletions
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7
sbin/savecore/savecore.c
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@ -157,6 +157,8 @@ printheader(xo_handle_t *xo, const struct kerneldumpheader *h,
{ {
uint64_t dumplen; uint64_t dumplen;
time_t t; time_t t;
struct tm tm;
char time_str[64];
const char *stat_str; const char *stat_str;
const char *comp_str; const char *comp_str;
@ -189,7 +191,10 @@ printheader(xo_handle_t *xo, const struct kerneldumpheader *h,
} }
xo_emit_h(xo, "{P: }{Lwc:Compression}{:compression/%s}\n", comp_str); xo_emit_h(xo, "{P: }{Lwc:Compression}{:compression/%s}\n", comp_str);
t = dtoh64(h->dumptime); t = dtoh64(h->dumptime);
xo_emit_h(xo, "{P: }{Lwc:Dumptime}{:dumptime/%s}", ctime(&t)); localtime_r(&t, &tm);
if (strftime(time_str, sizeof(time_str), "%F %T %z", &tm) == 0)
time_str[0] = '\0';
xo_emit_h(xo, "{P: }{Lwc:Dumptime}{:dumptime/%s}\n", time_str);
xo_emit_h(xo, "{P: }{Lwc:Hostname}{:hostname/%s}\n", h->hostname); xo_emit_h(xo, "{P: }{Lwc:Hostname}{:hostname/%s}\n", h->hostname);
xo_emit_h(xo, "{P: }{Lwc:Magic}{:magic/%s}\n", h->magic); xo_emit_h(xo, "{P: }{Lwc:Magic}{:magic/%s}\n", h->magic);
xo_emit_h(xo, "{P: }{Lwc:Version String}{:version_string/%s}", xo_emit_h(xo, "{P: }{Lwc:Version String}{:version_string/%s}",