/*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
*
+ * Copyright (c) 2013, 2014, Intel Corporation.
+ *
* This file is part of Portals, http://www.sf.net/projects/lustre/
*
* Portals is free software; you can redistribute it and/or
*/
#include <libcfs/libcfsutil.h>
-#include <lnet/api-support.h>
+#include <lnet/nidstr.h>
#include <lnet/lnetctl.h>
#include <lnet/socklnd.h>
+#include <lnet/lib-dlc.h>
+#include <getopt.h>
+#include <netdb.h>
unsigned int libcfs_debug;
unsigned int libcfs_printk = D_CANTMASK;
static int g_net_set;
static __u32 g_net;
+#define IOC_BUF_SIZE 8192
+static char local_buf[IOC_BUF_SIZE];
+static char *ioc_buf = local_buf;
+
/* Convert a string boolean to an int; "enable" -> 1 */
int
lnet_parse_bool (int *b, char *str)
net_ip = htonl (ipaddr);
he = gethostbyaddr (&net_ip, sizeof (net_ip), AF_INET);
if (he != NULL) {
- strncpy(str, he->h_name, strsize - 1);
- str[strsize - 1] = '\0';
+ strlcpy(str, he->h_name, strsize);
return (str);
}
}
int index;
int rc;
- if (!g_net_is_compatible (argv[0], SOCKLND, RALND, PTLLND, MXLND,
+ if (!g_net_is_compatible (argv[0], SOCKLND, RALND, MXLND,
O2IBLND, GNILND, 0))
return -1;
sizeof(buffer[1]), 1),
data.ioc_u32[1], /* peer port */
data.ioc_u32[3]); /* conn_count */
- } else if (g_net_is_compatible(NULL, PTLLND, 0)) {
- id.nid = data.ioc_nid;
- id.pid = data.ioc_u32[4];
- printf ("%-20s s %d%s [%d] "LPD64".%06d"
- " m "LPD64"/"LPD64" q %d/%d c %d/%d\n",
- libcfs_id2str(id),
- data.ioc_net, /* state */
- data.ioc_flags ? "" : " ~!h", /* sent_hello */
- data.ioc_count, /* refcount */
- data.ioc_u64[0]/1000000, /* incarnation secs */
- (int)(data.ioc_u64[0]%1000000), /* incarnation usecs */
- (((__u64)data.ioc_u32[1])<<32) |
- ((__u64)data.ioc_u32[0]), /* next_matchbits */
- (((__u64)data.ioc_u32[3])<<32) |
- ((__u64)data.ioc_u32[2]), /* last_matchbits_seen */
- data.ioc_u32[5] >> 16, /* nsendq */
- data.ioc_u32[5] & 0xffff, /* nactiveq */
- data.ioc_u32[6] >> 16, /* credits */
- data.ioc_u32[6] & 0xffff); /* outstanding_credits */
} else if (g_net_is_compatible(NULL, RALND, 0)) {
printf ("%-20s [%d]@%s:%d\n",
libcfs_nid2str(data.ioc_nid), /* peer nid */
lnet_nid_t nid = LNET_NID_ANY;
lnet_pid_t pid = LNET_PID_ANY;
__u32 ip = 0;
- char *end;
int rc;
- if (!g_net_is_compatible (argv[0], SOCKLND, RALND, MXLND, PTLLND,
+ if (!g_net_is_compatible (argv[0], SOCKLND, RALND, MXLND,
O2IBLND, GNILND, 0))
return -1;
argv[0]);
return 0;
}
- } else if (g_net_is_compatible(NULL, PTLLND, 0)) {
- if (argc > 3) {
- fprintf (stderr, "usage: %s [nid] [pid]\n",
- argv[0]);
- return 0;
- }
} else if (argc > 2) {
fprintf (stderr, "usage: %s [nid]\n", argv[0]);
return 0;
argv[2]);
return -1;
}
- } else if (g_net_is_compatible(NULL, PTLLND, 0)) {
- if (argc > 2) {
- pid = strtol(argv[2], &end, 0);
- if (end == argv[2] || *end == 0) {
- fprintf(stderr, "Can't parse pid %s\n",
- argv[2]);
- return -1;
- }
- }
}
LIBCFS_IOC_INIT(data);
{
int rc;
lnet_nid_t nid;
- unsigned int threshold;
+ int threshold;
struct libcfs_ioctl_data data;
if (argc < 2 || argc > 3)
if (argc < 3) {
threshold = LNET_MD_THRESH_INF;
- } else if (sscanf (argv[2], "%i", &threshold) != 1) {
+ } else if (sscanf(argv[2], "%i", &threshold) != 1) {
fprintf (stderr, "Can't parse count \"%s\"\n", argv[2]);
return (-1);
}
int
jt_ptl_add_route (int argc, char **argv)
{
- struct libcfs_ioctl_data data;
- lnet_nid_t gateway_nid;
- unsigned int hops = 1;
+ struct lnet_ioctl_config_data data;
+ lnet_nid_t gateway_nid;
+ unsigned int hops = 1;
unsigned int priority = 0;
- char *end;
- int rc;
+ char *end;
+ int rc;
if (argc < 2 || argc > 4) {
fprintf(stderr, "usage: %s gateway [hopcount [priority]]\n",
return -1;
}
- if (!g_net_is_set(argv[0]))
- return (-1);
+ if (g_net_is_set(argv[0]) == 0)
+ return -1;
- gateway_nid = libcfs_str2nid(argv[1]);
- if (gateway_nid == LNET_NID_ANY) {
- fprintf (stderr, "Can't parse gateway NID \"%s\"\n", argv[1]);
- return (-1);
- }
+ gateway_nid = libcfs_str2nid(argv[1]);
+ if (gateway_nid == LNET_NID_ANY) {
+ fprintf(stderr, "Can't parse gateway NID \"%s\"\n", argv[1]);
+ return -1;
+ }
if (argc > 2) {
hops = strtoul(argv[2], &end, 0);
}
}
- LIBCFS_IOC_INIT(data);
- data.ioc_net = g_net;
- data.ioc_count = hops;
- data.ioc_nid = gateway_nid;
- data.ioc_priority = priority;
+ LIBCFS_IOC_INIT_V2(data, cfg_hdr);
+ data.cfg_net = g_net;
+ data.cfg_config_u.cfg_route.rtr_hop = hops;
+ data.cfg_nid = gateway_nid;
+ data.cfg_config_u.cfg_route.rtr_priority = priority;
- rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_ROUTE, &data);
- if (rc != 0) {
- fprintf (stderr, "IOC_LIBCFS_ADD_ROUTE failed: %s\n", strerror (errno));
- return (-1);
- }
+ rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_ROUTE, &data);
+ if (rc != 0) {
+ fprintf(stderr, "IOC_LIBCFS_ADD_ROUTE failed: %s\n",
+ strerror(errno));
+ return -1;
+ }
- return (0);
+ return 0;
}
int
jt_ptl_del_route (int argc, char **argv)
{
- struct libcfs_ioctl_data data;
- lnet_nid_t nid;
- int rc;
+ struct lnet_ioctl_config_data data;
+ lnet_nid_t nid;
+ int rc;
- if (argc != 2) {
- fprintf (stderr, "usage: %s gatewayNID\n", argv[0]);
- return (0);
- }
+ if (argc != 2) {
+ fprintf(stderr, "usage: %s gatewayNID\n", argv[0]);
+ return 0;
+ }
- if (!libcfs_str2anynid(&nid, argv[1])) {
- fprintf (stderr, "Can't parse gateway NID "
- "\"%s\"\n", argv[1]);
- return -1;
- }
+ if (libcfs_str2anynid(&nid, argv[1]) == 0) {
+ fprintf(stderr, "Can't parse gateway NID "
+ "\"%s\"\n", argv[1]);
+ return -1;
+ }
- LIBCFS_IOC_INIT(data);
- data.ioc_net = g_net_set ? g_net : LNET_NIDNET(LNET_NID_ANY);
- data.ioc_nid = nid;
+ LIBCFS_IOC_INIT_V2(data, cfg_hdr);
+ data.cfg_net = g_net_set ? g_net : LNET_NIDNET(LNET_NID_ANY);
+ data.cfg_nid = nid;
- rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_ROUTE, &data);
- if (rc != 0) {
- fprintf (stderr, "IOC_LIBCFS_DEL_ROUTE (%s) failed: %s\n",
- libcfs_nid2str(nid), strerror (errno));
- return (-1);
- }
+ rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_ROUTE, &data);
+ if (rc != 0) {
+ fprintf(stderr, "IOC_LIBCFS_DEL_ROUTE (%s) failed: %s\n",
+ libcfs_nid2str(nid), strerror(errno));
+ return -1;
+ }
- return (0);
+ return 0;
}
int
int
jt_ptl_print_routes (int argc, char **argv)
{
- struct libcfs_ioctl_data data;
- int rc;
- int index;
- __u32 net;
- lnet_nid_t nid;
- unsigned int hops;
- int alive;
+ struct lnet_ioctl_config_data data;
+ int rc;
+ int index;
+ __u32 net;
+ lnet_nid_t nid;
+ unsigned int hops;
+ int alive;
unsigned int pri;
- for (index = 0;;index++)
- {
- LIBCFS_IOC_INIT(data);
- data.ioc_count = index;
+ for (index = 0; ; index++) {
+ LIBCFS_IOC_INIT_V2(data, cfg_hdr);
+ data.cfg_count = index;
- rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_ROUTE, &data);
- if (rc != 0)
- break;
+ rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_ROUTE, &data);
+ if (rc != 0)
+ break;
- net = data.ioc_net;
- hops = data.ioc_count;
- nid = data.ioc_nid;
- alive = data.ioc_flags;
- pri = data.ioc_priority;
+ net = data.cfg_net;
+ hops = data.cfg_config_u.cfg_route.rtr_hop;
+ nid = data.cfg_nid;
+ alive = data.cfg_config_u.cfg_route.rtr_flags;
+ pri = data.cfg_config_u.cfg_route.rtr_priority;
printf("net %18s hops %u gw %32s %s pri %u\n",
libcfs_net2str(net), hops,
libcfs_nid2str(nid), alive ? "up" : "down", pri);
- }
+ }
- if (errno != ENOENT)
- fprintf(stderr, "Error getting routes: %s: check dmesg.\n",
- strerror(errno));
+ if (errno != ENOENT)
+ fprintf(stderr, "Error getting routes: %s: check dmesg.\n",
+ strerror(errno));
- return (0);
+ return 0;
}
static int
-lwt_control(int enable, int clear)
+fault_attr_nid_parse(char *str, lnet_nid_t *nid_p)
{
- struct libcfs_ioctl_data data;
- int rc;
-
- LIBCFS_IOC_INIT(data);
- data.ioc_flags = (enable ? 1 : 0) | (clear ? 2 : 0);
-
- rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LWT_CONTROL, &data);
- if (rc == 0)
- return (0);
+ lnet_nid_t nid;
+ __u32 net;
+ int rc = 0;
+
+ /* NB: can't support range ipaddress except * and *@net */
+ if (strlen(str) > 2 && str[0] == '*' && str[1] == '@') {
+ net = libcfs_str2net(str + 2);
+ if (net == LNET_NIDNET(LNET_NID_ANY))
+ goto failed;
+
+ nid = LNET_MKNID(net, LNET_NIDADDR(LNET_NID_ANY));
+ } else {
+ rc = libcfs_str2anynid(&nid, str);
+ if (!rc)
+ goto failed;
+ }
- fprintf(stderr, "IOC_LIBCFS_LWT_CONTROL failed: %s\n",
- strerror(errno));
- return (-1);
+ *nid_p = nid;
+ return 0;
+failed:
+ fprintf(stderr, "Invalid NID : %s\n", str);
+ return -1;
}
static int
-lwt_snapshot(cfs_cycles_t *now, int *ncpu, int *totalsize,
- lwt_event_t *events, int size)
+fault_attr_msg_parse(char *msg_str, __u32 *mask_p)
{
- struct libcfs_ioctl_data data;
- int rc;
+ if (!strcasecmp(msg_str, "put")) {
+ *mask_p |= LNET_PUT_BIT;
+ return 0;
- LIBCFS_IOC_INIT(data);
- data.ioc_pbuf1 = (char *)events;
- data.ioc_plen1 = size;
+ } else if (!strcasecmp(msg_str, "ack")) {
+ *mask_p |= LNET_ACK_BIT;
+ return 0;
- rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LWT_SNAPSHOT, &data);
- if (rc != 0) {
- fprintf(stderr, "IOC_LIBCFS_LWT_SNAPSHOT failed: %s\n",
- strerror(errno));
- return (-1);
- }
+ } else if (!strcasecmp(msg_str, "get")) {
+ *mask_p |= LNET_GET_BIT;
+ return 0;
- /* crappy overloads */
- if (data.ioc_u32[2] != sizeof(lwt_event_t) ||
- data.ioc_u32[3] != offsetof(lwt_event_t, lwte_where)) {
- fprintf(stderr,"kernel/user LWT event mismatch %d(%d),%d(%d)\n",
- (int)data.ioc_u32[2], (int)sizeof(lwt_event_t),
- (int)data.ioc_u32[3],
- (int)offsetof(lwt_event_t, lwte_where));
- return (-1);
- }
+ } else if (!strcasecmp(msg_str, "reply")) {
+ *mask_p |= LNET_REPLY_BIT;
+ return 0;
+ }
- if (now != NULL)
- *now = data.ioc_u64[0];
+ fprintf(stderr, "unknown message type %s\n", msg_str);
+ return -1;
+}
- LASSERT (data.ioc_u32[0] != 0);
- if (ncpu != NULL)
- *ncpu = data.ioc_u32[0];
+static int
+fault_attr_ptl_parse(char *ptl_str, __u64 *mask_p)
+{
+ unsigned long rc = strtoul(optarg, NULL, 0);
- LASSERT (data.ioc_u32[1] != 0);
- if (totalsize != NULL)
- *totalsize = data.ioc_u32[1];
+ if (rc >= 64) {
+ fprintf(stderr, "invalid portal: %lu\n", rc);
+ return -1;
+ }
- return (0);
+ *mask_p |= (1ULL << rc);
+ return 0;
}
-static char *
-lwt_get_string(char *kstr)
+static int
+fault_simul_rule_add(__u32 opc, char *name, int argc, char **argv)
{
- char *ustr;
- struct libcfs_ioctl_data data;
- int size;
- int rc;
+ struct libcfs_ioctl_data data = {{0}};
+ struct lnet_fault_attr attr;
+ char *optstr;
+ int rc;
+
+ static struct option opts[] = {
+ {"source", required_argument, 0, 's'},
+ {"dest", required_argument, 0, 'd'},
+ {"rate", required_argument, 0, 'r'},
+ {"interval", required_argument, 0, 'i'},
+ {"latency", required_argument, 0, 'l'},
+ {"portal", required_argument, 0, 'p'},
+ {"message", required_argument, 0, 'm'},
+ {0, 0, 0, 0}
+ };
+
+ if (argc == 1) {
+ fprintf(stderr, "Failed, please provide source, destination "
+ "and rate of rule\n");
+ return -1;
+ }
- /* FIXME: this could maintain a symbol table since we expect to be
- * looking up the same strings all the time... */
+ optstr = opc == LNET_CTL_DROP_ADD ? "s:d:r:i:p:m:" : "s:d:r:l:p:m:";
+ memset(&attr, 0, sizeof(attr));
+ while (1) {
+ char c = getopt_long(argc, argv, optstr, opts, NULL);
+
+ if (c == -1)
+ break;
+
+ switch (c) {
+ case 's': /* source NID/NET */
+ rc = fault_attr_nid_parse(optarg, &attr.fa_src);
+ if (rc != 0)
+ goto getopt_failed;
+ break;
+
+ case 'd': /* dest NID/NET */
+ rc = fault_attr_nid_parse(optarg, &attr.fa_dst);
+ if (rc != 0)
+ goto getopt_failed;
+ break;
+
+ case 'r': /* drop rate */
+ if (opc == LNET_CTL_DROP_ADD)
+ attr.u.drop.da_rate = strtoul(optarg, NULL, 0);
+ else
+ attr.u.delay.la_rate = strtoul(optarg, NULL, 0);
+ break;
- LIBCFS_IOC_INIT(data);
- data.ioc_pbuf1 = kstr;
- data.ioc_plen1 = 1; /* non-zero just to fool portal_ioctl_is_invalid() */
- data.ioc_pbuf2 = NULL;
- data.ioc_plen2 = 0;
+ case 'i': /* time interval (# seconds) for message drop */
+ if (opc == LNET_CTL_DROP_ADD)
+ attr.u.drop.da_interval = strtoul(optarg,
+ NULL, 0);
+ else
+ attr.u.delay.la_interval = strtoul(optarg,
+ NULL, 0);
+ break;
+
+ case 'l': /* seconds to wait before activating rule */
+ attr.u.delay.la_latency = strtoul(optarg, NULL, 0);
+ break;
+
+ case 'p': /* portal to filter */
+ rc = fault_attr_ptl_parse(optarg, &attr.fa_ptl_mask);
+ if (rc != 0)
+ goto getopt_failed;
+ break;
+
+ case 'm': /* message types to filter */
+ rc = fault_attr_msg_parse(optarg, &attr.fa_msg_mask);
+ if (rc != 0)
+ goto getopt_failed;
+ break;
+
+ default:
+ fprintf(stderr, "error: %s: option '%s' "
+ "unrecognized\n", argv[0], argv[optind - 1]);
+ goto getopt_failed;
+ }
+ }
+ optind = 1;
+
+ if (opc == LNET_CTL_DROP_ADD) {
+ /* NB: drop rate and interval are exclusive to each other */
+ if (!((attr.u.drop.da_rate == 0) ^
+ (attr.u.drop.da_interval == 0))) {
+ fprintf(stderr,
+ "please provide either drop rate or interval "
+ "but not both at the same time.\n");
+ return -1;
+ }
+ } else if (opc == LNET_CTL_DELAY_ADD) {
+ if (!((attr.u.delay.la_rate == 0) ^
+ (attr.u.delay.la_interval == 0))) {
+ fprintf(stderr,
+ "please provide either delay rate or interval "
+ "but not both at the same time.\n");
+ return -1;
+ }
- rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LWT_LOOKUP_STRING, &data);
- if (rc != 0) {
- fprintf(stderr, "IOC_LIBCFS_LWT_LOOKUP_STRING failed: %s\n",
- strerror(errno));
- return (NULL);
- }
+ if (attr.u.delay.la_latency == 0) {
+ fprintf(stderr, "latency cannot be zero\n");
+ return -1;
+ }
+ }
- size = data.ioc_count;
- ustr = (char *)malloc(size);
- if (ustr == NULL) {
- fprintf(stderr, "Can't allocate string storage of size %d\n",
- size);
- return (NULL);
- }
+ if (attr.fa_src == 0 || attr.fa_dst == 0) {
+ fprintf(stderr, "Please provide both source and destination "
+ "of %s rule\n", name);
+ return -1;
+ }
- LIBCFS_IOC_INIT(data);
- data.ioc_pbuf1 = kstr;
- data.ioc_plen1 = 1; /* non-zero just to fool portal_ioctl_is_invalid() */
- data.ioc_pbuf2 = ustr;
- data.ioc_plen2 = size;
+ data.ioc_flags = opc;
+ data.ioc_inllen1 = sizeof(attr);
+ data.ioc_inlbuf1 = (char *)&attr;
+ if (libcfs_ioctl_pack(&data, &ioc_buf, IOC_BUF_SIZE) != 0) {
+ fprintf(stderr, "libcfs_ioctl_pack failed\n");
+ return -1;
+ }
- rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LWT_LOOKUP_STRING, &data);
- if (rc != 0) {
- fprintf(stderr, "IOC_LIBCFS_LWT_LOOKUP_STRING failed: %s\n",
- strerror(errno));
- return (NULL);
- }
+ rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LNET_FAULT, ioc_buf);
+ if (rc != 0) {
+ fprintf(stderr, "add %s rule %s->%s failed: %s\n",
+ name, libcfs_nid2str(attr.fa_src),
+ libcfs_nid2str(attr.fa_dst), strerror(errno));
+ return -1;
+ }
- LASSERT(strlen(ustr) == size - 1);
- return (ustr);
+ printf("Added %s rule %s->%s (1/%d)\n",
+ name, libcfs_nid2str(attr.fa_src), libcfs_nid2str(attr.fa_dst),
+ opc == LNET_CTL_DROP_ADD ?
+ attr.u.drop.da_rate : attr.u.delay.la_rate);
+ return 0;
+
+getopt_failed:
+ optind = 1;
+ return -1;
}
-static void
-lwt_put_string(char *ustr)
+int
+jt_ptl_drop_add(int argc, char **argv)
{
- free(ustr);
+ return fault_simul_rule_add(LNET_CTL_DROP_ADD, "drop", argc, argv);
+}
+
+int
+jt_ptl_delay_add(int argc, char **argv)
+{
+ return fault_simul_rule_add(LNET_CTL_DELAY_ADD, "delay", argc, argv);
}
static int
-lwt_print(FILE *f, cfs_cycles_t t0, cfs_cycles_t tlast, double mhz, int cpu,
- lwt_event_t *e)
+fault_simul_rule_del(__u32 opc, char *name, int argc, char **argv)
{
-#ifndef __WORDSIZE
-# error "__WORDSIZE not defined"
-#elif __WORDSIZE == 32
-# define XFMT "%#010lx"
-#elif __WORDSIZE== 64
-# define XFMT "%#018lx"
-#else
-# error "Unexpected __WORDSIZE"
-#endif
- char *where = lwt_get_string(e->lwte_where);
+ struct libcfs_ioctl_data data = {{0}};
+ struct lnet_fault_attr attr;
+ bool all = false;
+ int rc;
+
+ static struct option opts[] = {
+ {"source", required_argument, 0, 's'},
+ {"dest", required_argument, 0, 'd'},
+ {"all", no_argument, 0, 'a'},
+ {0, 0, 0, 0}
+ };
+
+ if (argc == 1) {
+ fprintf(stderr, "Failed, please provide source and "
+ "destination of rule\n");
+ return -1;
+ }
- if (where == NULL)
- return (-1);
+ memset(&attr, 0, sizeof(attr));
+ while (1) {
+ char c = getopt_long(argc, argv, "s:d:a", opts, NULL);
+
+ if (c == -1 || all)
+ break;
+
+ switch (c) {
+ case 's':
+ rc = fault_attr_nid_parse(optarg, &attr.fa_src);
+ if (rc != 0)
+ goto getopt_failed;
+ break;
+ case 'd':
+ rc = fault_attr_nid_parse(optarg, &attr.fa_dst);
+ if (rc != 0)
+ goto getopt_failed;
+ break;
+ case 'a':
+ attr.fa_src = attr.fa_dst = 0;
+ all = true;
+ break;
+ default:
+ fprintf(stderr, "error: %s: option '%s' "
+ "unrecognized\n", argv[0], argv[optind - 1]);
+ goto getopt_failed;
+ }
+ }
+ optind = 1;
- fprintf(f, XFMT" "XFMT" "XFMT" "XFMT": "XFMT" %2d %10.6f %10.2f %s\n",
- e->lwte_p1, e->lwte_p2, e->lwte_p3, e->lwte_p4,
- (long)e->lwte_task, cpu, (e->lwte_when - t0) / (mhz * 1000000.0),
- (t0 == e->lwte_when) ? 0.0 : (e->lwte_when - tlast) / mhz,
- where);
+ data.ioc_flags = opc;
+ data.ioc_inllen1 = sizeof(attr);
+ data.ioc_inlbuf1 = (char *)&attr;
+ if (libcfs_ioctl_pack(&data, &ioc_buf, IOC_BUF_SIZE) != 0) {
+ fprintf(stderr, "libcfs_ioctl_pack failed\n");
+ return -1;
+ }
- lwt_put_string(where);
+ rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LNET_FAULT, ioc_buf);
+ if (rc != 0) {
+ fprintf(stderr, "remove %s rule %s->%s failed: %s\n", name,
+ all ? "all" : libcfs_nid2str(attr.fa_src),
+ all ? "all" : libcfs_nid2str(attr.fa_dst),
+ strerror(errno));
+ return -1;
+ }
- return (0);
-#undef XFMT
+ libcfs_ioctl_unpack(&data, ioc_buf);
+ printf("Removed %d %s rules\n", data.ioc_count, name);
+ return 0;
+
+getopt_failed:
+ optind = 1;
+ return -1;
}
-double
-get_cycles_per_usec ()
+int
+jt_ptl_drop_del(int argc, char **argv)
{
- FILE *f = fopen ("/proc/cpuinfo", "r");
- double mhz;
- char line[64];
-
- if (f != NULL) {
- while (fgets (line, sizeof (line), f) != NULL)
- if (sscanf (line, "cpu MHz : %lf", &mhz) == 1) {
- fclose (f);
- return (mhz);
- }
- fclose (f);
- }
-
- fprintf (stderr, "Can't read/parse /proc/cpuinfo\n");
- return (1000.0);
+ return fault_simul_rule_del(LNET_CTL_DROP_DEL, "drop", argc, argv);
}
-#define LWT_MAX_CPUS (32)
-
int
-jt_ptl_lwt(int argc, char **argv)
+jt_ptl_delay_del(int argc, char **argv)
{
- int ncpus;
- int totalspace;
- int nevents_per_cpu;
- lwt_event_t *events;
- lwt_event_t *cpu_event[LWT_MAX_CPUS + 1];
- lwt_event_t *next_event[LWT_MAX_CPUS];
- lwt_event_t *first_event[LWT_MAX_CPUS];
- int cpu;
- lwt_event_t *e;
- int rc;
- int i;
- double mhz;
- cfs_cycles_t t0;
- cfs_cycles_t tlast;
- cfs_cycles_t tnow;
- struct timeval tvnow;
- int printed_date = 0;
- int nlines = 0;
- FILE *f = stdout;
-
- if (argc < 2 ||
- (strcmp(argv[1], "start") &&
- strcmp(argv[1], "stop"))) {
- fprintf(stderr,
- "usage: %s start\n"
- " %s stop [fname]\n", argv[0], argv[0]);
- return (-1);
- }
-
- if (!strcmp(argv[1], "start")) {
- /* disable */
- if (lwt_control(0, 0) != 0)
- return (-1);
-
- /* clear */
- if (lwt_control(0, 1) != 0)
- return (-1);
-
- /* enable */
- if (lwt_control(1, 0) != 0)
- return (-1);
-
- return (0);
- }
-
- if (lwt_snapshot(NULL, &ncpus, &totalspace, NULL, 0) != 0)
- return (-1);
-
- if (ncpus > LWT_MAX_CPUS) {
- fprintf(stderr, "Too many cpus: %d (%d)\n",
- ncpus, LWT_MAX_CPUS);
- return (-1);
- }
-
- events = (lwt_event_t *)malloc(totalspace);
- if (events == NULL) {
- fprintf(stderr, "Can't allocate %d\n", totalspace);
- return (-1);
- }
-
- if (lwt_control(0, 0) != 0) { /* disable */
- free(events);
- return (-1);
- }
-
- if (lwt_snapshot(&tnow, NULL, NULL, events, totalspace)) {
- free(events);
- return (-1);
- }
-
- /* we want this time to be sampled at snapshot time */
- gettimeofday(&tvnow, NULL);
-
- if (argc > 2) {
- f = fopen (argv[2], "w");
- if (f == NULL) {
- fprintf(stderr, "Can't open %s for writing: %s\n", argv[2], strerror (errno));
- free(events);
- return (-1);
- }
- }
-
- mhz = get_cycles_per_usec();
-
- /* carve events into per-cpu slices */
- nevents_per_cpu = totalspace / (ncpus * sizeof(lwt_event_t));
- for (cpu = 0; cpu <= ncpus; cpu++)
- cpu_event[cpu] = &events[cpu * nevents_per_cpu];
-
- /* find the earliest event on each cpu */
- for (cpu = 0; cpu < ncpus; cpu++) {
- first_event[cpu] = NULL;
-
- for (e = cpu_event[cpu]; e < cpu_event[cpu + 1]; e++) {
-
- if (e->lwte_where == NULL) /* not an event */
- continue;
-
- if (first_event[cpu] == NULL ||
- first_event[cpu]->lwte_when > e->lwte_when)
- first_event[cpu] = e;
- }
-
- next_event[cpu] = first_event[cpu];
- }
-
- t0 = tlast = 0;
- for (cpu = 0; cpu < ncpus; cpu++) {
- e = first_event[cpu];
- if (e == NULL) /* no events this cpu */
- continue;
-
- if (e == cpu_event[cpu])
- e = cpu_event[cpu + 1] - 1;
- else
- e = e - 1;
+ return fault_simul_rule_del(LNET_CTL_DELAY_DEL, "delay", argc, argv);
+}
- /* If there's an event immediately before the first one, this
- * cpu wrapped its event buffer */
- if (e->lwte_where == NULL)
- continue;
+static int
+fault_simul_rule_reset(__u32 opc, char *name, int argc, char **argv)
+{
+ struct libcfs_ioctl_data data = {{0}};
+ int rc;
- /* We should only start outputting events from the most recent
- * first event in any wrapped cpu. Events before this time on
- * other cpus won't have any events from this CPU to interleave
- * with. */
- if (t0 < first_event[cpu]->lwte_when)
- t0 = first_event[cpu]->lwte_when;
- }
+ LIBCFS_IOC_INIT(data);
+ data.ioc_flags = opc;
- for (;;) {
- /* find which cpu has the next event */
- cpu = -1;
- for (i = 0; i < ncpus; i++) {
+ rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LNET_FAULT, &data);
+ if (rc != 0) {
+ fprintf(stderr, "failed to reset %s stats: %s\n",
+ name, strerror(errno));
+ return -1;
+ }
+ return 0;
+}
- if (next_event[i] == NULL) /* this cpu exhausted */
- continue;
+int
+jt_ptl_drop_reset(int argc, char **argv)
+{
+ return fault_simul_rule_reset(LNET_CTL_DROP_RESET, "drop", argc, argv);
+}
- if (cpu < 0 ||
- next_event[i]->lwte_when < next_event[cpu]->lwte_when)
- cpu = i;
- }
+int
+jt_ptl_delay_reset(int argc, char **argv)
+{
+ return fault_simul_rule_reset(LNET_CTL_DELAY_RESET, "delay",
+ argc, argv);
+}
- if (cpu < 0) /* all cpus exhausted */
- break;
+static int
+fault_simul_rule_list(__u32 opc, char *name, int argc, char **argv)
+{
+ struct libcfs_ioctl_data data = {{0}};
+ struct lnet_fault_attr attr;
+ struct lnet_fault_stat stat;
+ int pos;
+
+ printf("LNet %s rules:\n", name);
+ for (pos = 0;; pos++) {
+ int rc;
+
+ memset(&attr, 0, sizeof(attr));
+ memset(&stat, 0, sizeof(stat));
+
+ data.ioc_count = pos;
+ data.ioc_flags = opc;
+ data.ioc_inllen1 = sizeof(attr);
+ data.ioc_inlbuf1 = (char *)&attr;
+ data.ioc_inllen2 = sizeof(stat);
+ data.ioc_inlbuf2 = (char *)&stat;
+ if (libcfs_ioctl_pack(&data, &ioc_buf, IOC_BUF_SIZE) != 0) {
+ fprintf(stderr, "libcfs_ioctl_pack failed\n");
+ return -1;
+ }
- if (t0 == 0) {
- /* no wrapped cpus and this is he first ever event */
- t0 = next_event[cpu]->lwte_when;
- }
+ rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LNET_FAULT, ioc_buf);
+ if (rc != 0)
+ break;
+
+ libcfs_ioctl_unpack(&data, ioc_buf);
+
+ if (opc == LNET_CTL_DROP_LIST) {
+ printf("%s->%s (1/%d | %d) ptl "LPX64", msg %x, "
+ LPU64"/"LPU64", PUT "LPU64", ACK "LPU64", GET "
+ LPU64", REP "LPU64"\n",
+ libcfs_nid2str(attr.fa_src),
+ libcfs_nid2str(attr.fa_dst),
+ attr.u.drop.da_rate, attr.u.drop.da_interval,
+ attr.fa_ptl_mask, attr.fa_msg_mask,
+ stat.u.drop.ds_dropped, stat.fs_count,
+ stat.fs_put, stat.fs_ack,
+ stat.fs_get, stat.fs_reply);
+
+ } else if (opc == LNET_CTL_DELAY_LIST) {
+ printf("%s->%s (1/%d | %d, latency %d) ptl "LPX64
+ ", msg %x, "LPU64"/"LPU64", PUT "LPU64
+ ", ACK "LPU64", GET "LPU64", REP "LPU64"\n",
+ libcfs_nid2str(attr.fa_src),
+ libcfs_nid2str(attr.fa_dst),
+ attr.u.delay.la_rate, attr.u.delay.la_interval,
+ attr.u.delay.la_latency,
+ attr.fa_ptl_mask, attr.fa_msg_mask,
+ stat.u.delay.ls_delayed, stat.fs_count,
+ stat.fs_put, stat.fs_ack, stat.fs_get,
+ stat.fs_reply);
+ }
+ }
+ printf("found total %d\n", pos);
- if (t0 <= next_event[cpu]->lwte_when) {
- /* on or after the first event */
- if (!printed_date) {
- cfs_cycles_t du = (tnow - t0) / mhz;
- time_t then = tvnow.tv_sec - du/1000000;
+ return 0;
+}
- if (du % 1000000 > tvnow.tv_usec)
- then--;
+int
+jt_ptl_drop_list(int argc, char **argv)
+{
+ return fault_simul_rule_list(LNET_CTL_DROP_LIST, "drop", argc, argv);
+}
- fprintf(f, "%s", ctime(&then));
- printed_date = 1;
- }
+int
+jt_ptl_delay_list(int argc, char **argv)
+{
+ return fault_simul_rule_list(LNET_CTL_DELAY_LIST, "delay", argc, argv);
+}
- rc = lwt_print(f, t0, tlast, mhz, cpu, next_event[cpu]);
- if (rc != 0)
- break;
+double
+get_cycles_per_usec ()
+{
+ FILE *f = fopen ("/proc/cpuinfo", "r");
+ double mhz;
+ char line[64];
- if (++nlines % 10000 == 0 && f != stdout) {
- /* show some activity... */
- printf(".");
- fflush (stdout);
+ if (f != NULL) {
+ while (fgets (line, sizeof (line), f) != NULL)
+ if (sscanf (line, "cpu MHz : %lf", &mhz) == 1) {
+ fclose (f);
+ return (mhz);
}
- }
-
- tlast = next_event[cpu]->lwte_when;
-
- next_event[cpu]++;
- if (next_event[cpu] == cpu_event[cpu + 1])
- next_event[cpu] = cpu_event[cpu];
-
- if (next_event[cpu]->lwte_where == NULL ||
- next_event[cpu] == first_event[cpu])
- next_event[cpu] = NULL;
- }
-
- if (f != stdout) {
- printf("\n");
- fclose(f);
+ fclose (f);
}
- free(events);
- return (0);
+ fprintf (stderr, "Can't read/parse /proc/cpuinfo\n");
+ return (1000.0);
}
int jt_ptl_memhog(int argc, char **argv)
git://git.whamcloud.com / fs / lustre-release.git / blobdiff