1 // SPDX-License-Identifier: GPL-2.0
10  * The TGID together with the PID and the AGROUP flag allow
11  * identification of threads in a process and single-threaded processes.
12  * The ac_tgetime field gives proper whole-process walltime.
18  * Utility to get per-pid and per-tgid delay accounting statistics
50 #define GENLMSG_PAYLOAD(glh)	(NLMSG_PAYLOAD(glh, 0) - GENL_HDRLEN)
52 #define NLA_PAYLOAD(len)	(len - NLA_HDRLEN)
88 	fprintf(stderr, "procacct [-v] [-w logfile] [-r bufsize] [-m cpumask]\n");  in usage()
89 	fprintf(stderr, "  -v: debug on\n");  in usage()
98 	struct sockaddr_nl local;  in create_nl_socket()  local
102 		return -1;  in create_nl_socket()
112 	memset(&local, 0, sizeof(local));  in create_nl_socket()
113 	local.nl_family = AF_NETLINK;  in create_nl_socket()
115 	if (bind(fd, (struct sockaddr *) &local, sizeof(local)) < 0)  in create_nl_socket()
121 	return -1;  in create_nl_socket()
144 	na->nla_type = nla_type;  in send_cmd()
145 	na->nla_len = nla_len + 1 + NLA_HDRLEN;  in send_cmd()
147 	msg.n.nlmsg_len += NLMSG_ALIGN(na->nla_len);  in send_cmd()
157 			buflen -= r;  in send_cmd()
159 			return -1;  in send_cmd()
194 	na = (struct nlattr *) ((char *) na + NLA_ALIGN(na->nla_len));  in get_family_id()
195 	if (na->nla_type == CTRL_ATTR_FAMILY_ID)  in get_family_id()
207 …"%c pid=%lu tgid=%lu uid=%lu wall=%llu gwall=%llu cpu=%llu vmpeak=%llu rsspeak=%llu dev=%lu:%lu in…  in print_procacct()
208 	,	t->version >= 12 ? (t->ac_flag & AGROUP ? 'P' : 'T') : '?'  in print_procacct()
209 	,	(unsigned long)t->ac_pid  in print_procacct()
210 	,	(unsigned long)(t->version >= 12 ? t->ac_tgid : 0)  in print_procacct()
211 	,	(unsigned long)t->ac_uid  in print_procacct()
212 	,	(unsigned long long)t->ac_etime  in print_procacct()
213 	,	(unsigned long long)(t->version >= 12 ? t->ac_tgetime : 0)  in print_procacct()
214 	,	(unsigned long long)(t->ac_utime+t->ac_stime)  in print_procacct()
215 	,	(unsigned long long)t->hiwater_vm  in print_procacct()
216 	,	(unsigned long long)t->hiwater_rss  in print_procacct()
217 	,	(unsigned long)(t->version >= 12 ? MAJOR(t->ac_exe_dev) : 0)  in print_procacct()
218 	,	(unsigned long)(t->version >= 12 ? MINOR(t->ac_exe_dev) : 0)  in print_procacct()
219 	,	(unsigned long long)(t->version >= 12 ? t->ac_exe_inode : 0)  in print_procacct()
220 	,	t->ac_comm  in print_procacct()
226 	int aggr_len = NLA_PAYLOAD(na->nla_len);  in handle_aggr()
232 		switch (na->nla_type) {  in handle_aggr()
235 			PRINTF("PID\t%d\n", rtid);  in handle_aggr()
245 				if (write(fd, NLA_DATA(na), na->nla_len) < 0)  in handle_aggr()
253 				na->nla_type);  in handle_aggr()
256 		len2 += NLA_ALIGN(na->nla_len);  in handle_aggr()
258 						 NLA_ALIGN(na->nla_len));  in handle_aggr()
270 	int nl_sd = -1;  in main()
305 			cpumask[sizeof(cpumask) - 1] = '\0';  in main()
314 			exit(-1);  in main()
320 		cpumask[sizeof(cpumask) - 1] = '\0';  in main()
326 		if (fd == -1) {  in main()
369 				err->error);  in main()
382 			len += NLA_ALIGN(na->nla_len);  in main()
383 			int mother = na->nla_type;  in main()
386 			switch (na->nla_type) {  in main()
394 					na->nla_type);  in main()