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e2267e68b9
The -p, -Z and -z options only show process (thread group leader)
information. For example, if the thread group leader has exited, but
another thread in the group is still using a socket, ss -[pZz] does not
show it.
Add a new option, -T (--threads), to show thread information. It implies
the -p option. For example, imagine process A and thread B (in the same
group) using the same socket. ss -p only shows A:
$ ss -ltp "sport = 1234"
State Recv-Q Send-Q Local Address:Port Peer Address:Port Process
LISTEN 0 100 0.0.0.0:1234 0.0.0.0:* users:(("test",pid=2932547,fd=3))
ss -T shows A and B:
$ ss -ltT "sport = 1234"
State Recv-Q Send-Q Local Address:Port Peer Address:Port Process
LISTEN 0 100 0.0.0.0:1234 0.0.0.0:* users:(("test",pid=2932547,tid=2932548,fd=3),("test",pid=2932547,tid=2932547,fd=3))
If -T is used, -Z and -z also show SELinux contexts for threads.
Rename some variables (from "process" to "task", for example) since we
use them for both processes and threads.
Signed-off-by: Peilin Ye <peilin.ye@bytedance.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
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|---|---|---|
| .. | ||
| .gitignore | ||
| arpd.c | ||
| ifstat.c | ||
| lnstat_util.c | ||
| lnstat.c | ||
| lnstat.h | ||
| Makefile | ||
| nstat.c | ||
| rtacct.c | ||
| ss_util.h | ||
| ss.c | ||
| ssfilter_check.c | ||
| ssfilter.h | ||
| ssfilter.y | ||