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3 Copyright (C) 2010-2013 Christian Grothoff (and other contributing authors)
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6 it under the terms of the GNU General Public License as published
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11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
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21 * @file ats/perf_ats_logging.c
22 * @brief ats benchmark: logging for performance tests
23 * @author Christian Grothoff
24 * @author Matthias Wachs
27 #include "gnunet_util_lib.h"
30 #define THROUGHPUT_TEMPLATE "#!/usr/bin/gnuplot \n" \
31 "set datafile separator ';' \n" \
32 "set title \"Throughput between Master and Slaves\" \n" \
33 "set xlabel \"Time in ms\" \n" \
34 "set ylabel \"Bytes/s\" \n" \
37 #define RTT_TEMPLATE "#!/usr/bin/gnuplot \n" \
38 "set datafile separator ';' \n" \
39 "set title \"Application level roundtrip time between Master and Slaves\" \n" \
40 "set xlabel \"Time in ms\" \n" \
41 "set ylabel \"ms\" \n" \
44 #define BW_TEMPLATE "#!/usr/bin/gnuplot \n" \
45 "set datafile separator ';' \n" \
46 "set title \"Bandwidth inbound and outbound between Master and Slaves\" \n" \
47 "set xlabel \"Time in ms\" \n" \
48 "set ylabel \"Bytes / s \" \n" \
51 #define LOG_ITEMS_TIME 2
52 #define LOG_ITEMS_PER_PEER 17
54 #define LOG_ITEM_BYTES_SENT 1
55 #define LOG_ITEM_MSGS_SENT 2
56 #define LOG_ITEM_THROUGHPUT_SENT 3
57 #define LOG_ITEM_BYTES_RECV 4
58 #define LOG_ITEM_MSGS_RECV 5
59 #define LOG_ITEM_THROUGHPUT_RECV 6
60 #define LOG_ITEM_APP_RTT 7
61 #define LOG_ITEM_ATS_BW_IN 8
62 #define LOG_ITEM_ATS_BW_OUT 9
63 #define LOG_ITEM_ATS_COSTS_LAN 10
64 #define LOG_ITEM_ATS_WAN 11
65 #define LOG_ITEM_ATS_WLAN 12
66 #define LOG_ITEM_ATS_DELAY 13
67 #define LOG_ITEM_ATS_DISTANCE 14
68 #define LOG_ITEM_ATS_NETWORKTYPE 15
69 #define LOG_ITEM_ATS_UTIL_UP 16
70 #define LOG_ITEM_ATS_UTIL_DOWN 17
75 static struct GNUNET_SCHEDULER_Task * log_task;
78 * Reference to perf_ats' masters
83 static struct GNUNET_TIME_Relative frequency;
86 * A single logging time step for a partner
88 struct PartnerLoggingTimestep
93 struct BenchmarkPeer *slave;
96 * Total number of messages this peer has sent
98 unsigned int total_messages_sent;
101 * Total number of bytes this peer has sent
103 unsigned int total_bytes_sent;
106 * Total number of messages this peer has received
108 unsigned int total_messages_received;
111 * Total number of bytes this peer has received
113 unsigned int total_bytes_received;
116 * Total outbound throughput for master in Bytes / s
118 unsigned int throughput_sent;
121 * Total inbound throughput for master in Bytes / s
123 unsigned int throughput_recv;
126 * Accumulated RTT for all messages
128 unsigned int total_app_rtt;
131 * Current application level delay
133 unsigned int app_rtt;
135 /* Current ATS properties */
137 uint32_t ats_distance;
141 uint32_t bandwidth_in;
143 uint32_t bandwidth_out;
145 uint32_t ats_utilization_up;
147 uint32_t ats_utilization_down;
149 uint32_t ats_network_type;
151 uint32_t ats_cost_wan;
153 uint32_t ats_cost_lan;
155 uint32_t ats_cost_wlan;
160 * A single logging time step for a peer
162 struct PeerLoggingTimestep
167 struct PeerLoggingTimestep *next;
172 struct PeerLoggingTimestep *prev;
177 struct GNUNET_TIME_Absolute timestamp;
180 * Total number of messages this peer has sent
182 unsigned int total_messages_sent;
185 * Total number of bytes this peer has sent
187 unsigned int total_bytes_sent;
190 * Total number of messages this peer has received
192 unsigned int total_messages_received;
195 * Total number of bytes this peer has received
197 unsigned int total_bytes_received;
200 * Total outbound throughput for master in Bytes / s
202 unsigned int total_throughput_send;
205 * Total inbound throughput for master in Bytes / s
207 unsigned int total_throughput_recv;
212 struct PartnerLoggingTimestep *slaves_log;
216 * Entry for a benchmark peer
223 struct BenchmarkPeer *peer;
228 struct GNUNET_TIME_Absolute start;
231 * DLL for logging entries: head
233 struct PeerLoggingTimestep *head;
236 * DLL for logging entries: tail
238 struct PeerLoggingTimestep *tail;
242 * Log structure of length num_peers
244 static struct LoggingPeer *lp;
248 write_throughput_gnuplot_script (char * fn, struct LoggingPeer *lp)
250 struct GNUNET_DISK_FileHandle *f;
256 GNUNET_asprintf (&gfn, "gnuplot_throughput_%s",fn);
257 f = GNUNET_DISK_file_open (gfn,
258 GNUNET_DISK_OPEN_WRITE | GNUNET_DISK_OPEN_CREATE,
259 GNUNET_DISK_PERM_USER_EXEC | GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE);
262 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot open gnuplot file `%s'\n", gfn);
269 if (GNUNET_SYSERR == GNUNET_DISK_file_write(f, THROUGHPUT_TEMPLATE, strlen(THROUGHPUT_TEMPLATE)))
270 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot write data to plot file `%s'\n", gfn);
272 /* Write master data */
273 peer_index = LOG_ITEMS_TIME;
274 GNUNET_asprintf (&data, "plot '%s' using 2:%u with lines title 'Master %u send total', \\\n" \
275 "'%s' using 2:%u with lines title 'Master %u receive total', \\\n",
276 fn, peer_index + LOG_ITEM_THROUGHPUT_SENT, lp->peer->no,
277 fn, peer_index + LOG_ITEM_THROUGHPUT_RECV, lp->peer->no);
278 if (GNUNET_SYSERR == GNUNET_DISK_file_write(f, data, strlen(data)))
279 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot write data to plot file `%s'\n", gfn);
282 peer_index = LOG_ITEMS_TIME + LOG_ITEMS_PER_PEER ;
283 for (c_s = 0; c_s < lp->peer->num_partners; c_s++)
285 GNUNET_asprintf (&data, "'%s' using 2:%u with lines title 'Master %u - Slave %u send', \\\n" \
286 "'%s' using 2:%u with lines title 'Master %u - Slave %u receive'%s\n",
287 fn, peer_index + LOG_ITEM_THROUGHPUT_SENT, lp->peer->no, lp->peer->partners[c_s].dest->no,
288 fn, peer_index + LOG_ITEM_THROUGHPUT_RECV, lp->peer->no, lp->peer->partners[c_s].dest->no,
289 (c_s < lp->peer->num_partners -1) ? ", \\" : "\n pause -1");
290 if (GNUNET_SYSERR == GNUNET_DISK_file_write(f, data, strlen(data)))
291 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot write data to plot file `%s'\n", gfn);
293 peer_index += LOG_ITEMS_PER_PEER;
296 if (GNUNET_SYSERR == GNUNET_DISK_file_close(f))
297 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot close gnuplot file `%s'\n", gfn);
299 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Data successfully written to plot file `%s'\n", gfn);
306 write_rtt_gnuplot_script (char * fn, struct LoggingPeer *lp)
308 struct GNUNET_DISK_FileHandle *f;
314 GNUNET_asprintf (&gfn, "gnuplot_rtt_%s",fn);
315 f = GNUNET_DISK_file_open (gfn,
316 GNUNET_DISK_OPEN_WRITE | GNUNET_DISK_OPEN_CREATE,
317 GNUNET_DISK_PERM_USER_EXEC | GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE);
320 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot open gnuplot file `%s'\n", gfn);
327 if (GNUNET_SYSERR == GNUNET_DISK_file_write(f, RTT_TEMPLATE, strlen(RTT_TEMPLATE)))
328 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot write data to plot file `%s'\n", gfn);
330 index = LOG_ITEMS_TIME + LOG_ITEMS_PER_PEER;
331 for (c_s = 0; c_s < lp->peer->num_partners; c_s++)
333 GNUNET_asprintf (&data, "%s'%s' using 2:%u with lines title 'Master %u - Slave %u '%s\n",
334 (0 == c_s) ? "plot " :"",
335 fn, index + LOG_ITEM_APP_RTT, lp->peer->no, lp->peer->partners[c_s].dest->no,
336 (c_s < lp->peer->num_partners -1) ? ", \\" : "\n pause -1");
337 if (GNUNET_SYSERR == GNUNET_DISK_file_write(f, data, strlen(data)))
338 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot write data to plot file `%s'\n", gfn);
340 index += LOG_ITEMS_PER_PEER;
343 if (GNUNET_SYSERR == GNUNET_DISK_file_close(f))
344 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot close gnuplot file `%s'\n", gfn);
346 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Data successfully written to plot file `%s'\n", gfn);
351 write_bw_gnuplot_script (char * fn, struct LoggingPeer *lp)
353 struct GNUNET_DISK_FileHandle *f;
359 GNUNET_asprintf (&gfn, "gnuplot_bw_%s",fn);
360 f = GNUNET_DISK_file_open (gfn,
361 GNUNET_DISK_OPEN_WRITE | GNUNET_DISK_OPEN_CREATE,
362 GNUNET_DISK_PERM_USER_EXEC | GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE);
365 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot open gnuplot file `%s'\n", gfn);
372 if (GNUNET_SYSERR == GNUNET_DISK_file_write(f, BW_TEMPLATE, strlen(BW_TEMPLATE)))
373 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot write data to plot file `%s'\n", gfn);
375 index = LOG_ITEMS_TIME + LOG_ITEMS_PER_PEER;
376 for (c_s = 0; c_s < lp->peer->num_partners; c_s++)
378 GNUNET_asprintf (&data, "%s"\
379 "'%s' using 2:%u with lines title 'BW out master %u - Slave %u ', \\\n" \
380 "'%s' using 2:%u with lines title 'BW in master %u - Slave %u '"\
382 (0 == c_s) ? "plot " :"",
383 fn, index + LOG_ITEM_ATS_BW_OUT, lp->peer->no, lp->peer->partners[c_s].dest->no,
384 fn, index + LOG_ITEM_ATS_BW_IN, lp->peer->no, lp->peer->partners[c_s].dest->no,
385 (c_s < lp->peer->num_partners -1) ? ", \\" : "\n pause -1");
386 if (GNUNET_SYSERR == GNUNET_DISK_file_write(f, data, strlen(data)))
387 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot write data to plot file `%s'\n", gfn);
389 index += LOG_ITEMS_PER_PEER;
392 if (GNUNET_SYSERR == GNUNET_DISK_file_close(f))
393 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot close gnuplot file `%s'\n", gfn);
395 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Data successfully written to plot file `%s'\n", gfn);
403 struct GNUNET_DISK_FileHandle *f;
408 char *slave_string_tmp;
409 struct PeerLoggingTimestep *cur_lt;
410 struct PartnerLoggingTimestep *plt;
414 for (c_m = 0; c_m < num_peers; c_m++)
416 GNUNET_asprintf (&filename, "%llu_master_%u_%s_%s.data", GNUNET_TIME_absolute_get().abs_value_us,
417 lp[c_m].peer->no, GNUNET_i2s(&lp[c_m].peer->id), name);
419 f = GNUNET_DISK_file_open (filename,
420 GNUNET_DISK_OPEN_WRITE | GNUNET_DISK_OPEN_CREATE,
421 GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE);
424 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot open log file `%s'\n", filename);
425 GNUNET_free (filename);
429 for (cur_lt = lp[c_m].head; NULL != cur_lt; cur_lt = cur_lt->next)
431 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
432 "Master [%u]: timestamp %llu %llu ; %u %u %u ; %u %u %u\n", lp[c_m].peer->no,
433 cur_lt->timestamp, GNUNET_TIME_absolute_get_difference(lp[c_m].start,cur_lt->timestamp).rel_value_us / 1000,
434 cur_lt->total_messages_sent, cur_lt->total_bytes_sent, cur_lt->total_throughput_send,
435 cur_lt->total_messages_received, cur_lt->total_bytes_received, cur_lt->total_throughput_recv);
437 slave_string = GNUNET_strdup (";");
438 for (c_s = 0; c_s < lp[c_m].peer->num_partners; c_s++)
440 plt = &cur_lt->slaves_log[c_s];
443 /* Assembling slave string */
444 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
445 "\t Slave [%u]: %u %u %u ; %u %u %u rtt %u delay %u bw_in %u bw_out %u \n", plt->slave->no,
446 plt->total_messages_sent, plt->total_bytes_sent, plt->throughput_sent,
447 plt->total_messages_received, plt->total_bytes_received, plt->throughput_recv,
448 plt->app_rtt, plt->ats_delay,
449 plt->bandwidth_in, plt->bandwidth_out);
451 GNUNET_asprintf(&slave_string_tmp, "%s%u;%u;%u;%u;%u;%u;%.3f;%u;%u;%u;%u;%u;%u;%u;%u;%u;%u;",slave_string,
452 plt->total_messages_sent, plt->total_bytes_sent, plt->throughput_sent,
453 plt->total_messages_received, plt->total_bytes_received, plt->throughput_sent,
454 (double) plt->app_rtt / 1000,
455 plt->bandwidth_in,plt->bandwidth_out,
456 plt->ats_cost_lan, plt->ats_cost_wan, plt->ats_cost_wlan,
457 plt->ats_delay, plt->ats_distance, plt->ats_network_type,
458 plt->ats_utilization_up, plt->ats_utilization_down);
459 GNUNET_free (slave_string);
460 slave_string = slave_string_tmp;
462 /* Assembling master string */
466 GNUNET_asprintf (&data, "%llu;%llu;%u;%u;%u;%u;%u;%u;;;;;;;;;;;%s\n",
468 GNUNET_TIME_absolute_get_difference(lp[c_m].start,cur_lt->timestamp).rel_value_us / 1000,
469 cur_lt->total_messages_sent, cur_lt->total_bytes_sent, cur_lt->total_throughput_send,
470 cur_lt->total_messages_received, cur_lt->total_bytes_received, cur_lt->total_throughput_recv,
472 GNUNET_free (slave_string);
474 if (GNUNET_SYSERR == GNUNET_DISK_file_write(f, data, strlen(data)))
475 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot write data to log file `%s'\n", filename);
478 if (GNUNET_SYSERR == GNUNET_DISK_file_close(f))
480 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot close log file `%s'\n", filename);
481 GNUNET_free (filename);
485 write_throughput_gnuplot_script (filename, lp);
486 write_rtt_gnuplot_script (filename, lp);
487 write_bw_gnuplot_script (filename, lp);
489 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Data file successfully written to log file `%s'\n", filename);
490 GNUNET_free (filename);
496 collect_log_now (void)
498 struct LoggingPeer *bp;
499 struct PeerLoggingTimestep *mlt;
500 struct PeerLoggingTimestep *prev_log_mlt;
501 struct PartnerLoggingTimestep *slt;
502 struct PartnerLoggingTimestep *prev_log_slt;
503 struct BenchmarkPartner *p;
504 struct GNUNET_TIME_Relative delta;
507 unsigned int app_rtt;
510 if (GNUNET_YES != running)
513 for (c_m = 0; c_m < num_peers; c_m++)
516 mlt = GNUNET_new (struct PeerLoggingTimestep);
517 GNUNET_CONTAINER_DLL_insert_tail(bp->head, bp->tail, mlt);
518 prev_log_mlt = mlt->prev;
522 /* Current master state */
523 mlt->timestamp = GNUNET_TIME_absolute_get();
524 mlt->total_bytes_sent = bp->peer->total_bytes_sent;
525 mlt->total_messages_sent = bp->peer->total_messages_sent;
526 mlt->total_bytes_received = bp->peer->total_bytes_received;
527 mlt->total_messages_received = bp->peer->total_messages_received;
530 if (NULL == prev_log_mlt)
532 /* Get difference to start */
533 delta = GNUNET_TIME_absolute_get_difference (lp[c_m].start, mlt->timestamp);
537 /* Get difference to last timestep */
538 delta = GNUNET_TIME_absolute_get_difference (mlt->prev->timestamp, mlt->timestamp);
541 /* Multiplication factor for throughput calculation */
542 mult = (1.0 * 1000 * 1000) / (delta.rel_value_us);
544 /* Total throughput */
545 if (NULL != prev_log_mlt)
547 if (mlt->total_bytes_sent - mlt->prev->total_bytes_sent > 0)
548 mlt->total_throughput_send = mult * (mlt->total_bytes_sent - mlt->prev->total_bytes_sent);
550 mlt->total_throughput_send = prev_log_mlt->total_throughput_send; /* no msgs send */
552 if (mlt->total_bytes_received - mlt->prev->total_bytes_received > 0)
553 mlt->total_throughput_recv = mult * (mlt->total_bytes_received - mlt->prev->total_bytes_received);
555 mlt->total_throughput_recv = prev_log_mlt->total_throughput_recv; /* no msgs received */
559 mlt->total_throughput_send = mult * mlt->total_bytes_sent;
560 mlt->total_throughput_send = mult * mlt->total_bytes_received;
563 mlt->slaves_log = GNUNET_malloc (bp->peer->num_partners *
564 sizeof (struct PartnerLoggingTimestep));
566 for (c_s = 0; c_s < bp->peer->num_partners; c_s++)
568 p = &bp->peer->partners[c_s];
569 slt = &mlt->slaves_log[c_s];
571 slt->slave = p->dest;
572 /* Bytes sent from master to this slave */
573 slt->total_bytes_sent = p->bytes_sent;
574 /* Messages sent from master to this slave */
575 slt->total_messages_sent = p->messages_sent;
576 /* Bytes master received from this slave */
577 slt->total_bytes_received = p->bytes_received;
578 /* Messages master received from this slave */
579 slt->total_messages_received = p->messages_received;
580 slt->total_app_rtt = p->total_app_rtt;
581 /* ats performance information */
582 slt->ats_cost_lan = p->ats_cost_lan;
583 slt->ats_cost_wan = p->ats_cost_wan;
584 slt->ats_cost_wlan = p->ats_cost_wlan;
585 slt->ats_delay = p->ats_delay;
586 slt->ats_distance = p->ats_distance;
587 slt->ats_network_type = p->ats_network_type;
588 slt->ats_utilization_down = p->ats_utilization_down;
589 slt->ats_utilization_up = p->ats_utilization_up;
590 slt->bandwidth_in = p->bandwidth_in;
591 slt->bandwidth_out = p->bandwidth_out;
593 /* Total application level rtt */
594 if (NULL == prev_log_mlt)
596 if (0 != slt->total_messages_sent)
597 app_rtt = slt->total_app_rtt / slt->total_messages_sent;
603 prev_log_slt = &prev_log_mlt->slaves_log[c_s];
604 if ((slt->total_messages_sent - prev_log_slt->total_messages_sent) > 0)
605 app_rtt = (slt->total_app_rtt - prev_log_slt->total_app_rtt) /
606 (slt->total_messages_sent - prev_log_slt->total_messages_sent);
608 app_rtt = prev_log_slt->app_rtt; /* No messages were */
610 slt->app_rtt = app_rtt;
612 /* Partner throughput */
613 if (NULL != prev_log_mlt)
615 prev_log_slt = &prev_log_mlt->slaves_log[c_s];
616 if (slt->total_bytes_sent - prev_log_slt->total_bytes_sent > 0)
617 slt->throughput_sent = mult * (slt->total_bytes_sent - prev_log_slt->total_bytes_sent);
619 slt->throughput_sent = prev_log_slt->throughput_sent; /* no msgs send */
621 if (slt->total_bytes_received - prev_log_slt->total_bytes_received > 0)
622 slt->throughput_recv = mult * (slt->total_bytes_received - prev_log_slt->total_bytes_received);
624 slt->throughput_recv = prev_log_slt->throughput_recv; /* no msgs received */
628 slt->throughput_sent = mult * slt->total_bytes_sent;
629 slt->throughput_sent = mult * slt->total_bytes_received;
632 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
633 "Master [%u]: slave [%u]\n",
634 bp->peer->no, p->dest->no);
640 collect_log_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
646 if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN)
649 log_task = GNUNET_SCHEDULER_add_delayed (frequency,
650 &collect_log_task, NULL);
658 struct GNUNET_SCHEDULER_TaskContext tc;
659 struct PeerLoggingTimestep *cur;
661 if (GNUNET_YES!= running)
664 if (NULL != log_task)
665 GNUNET_SCHEDULER_cancel (log_task);
667 tc.reason = GNUNET_SCHEDULER_REASON_SHUTDOWN;
668 collect_log_task (NULL, &tc);
670 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
671 _("Stop logging\n"));
675 for (c_m = 0; c_m < num_peers; c_m++)
677 while (NULL != (cur = lp[c_m].head))
679 GNUNET_CONTAINER_DLL_remove (lp[c_m].head, lp[c_m].tail, cur);
680 GNUNET_free (cur->slaves_log);
689 perf_logging_start (struct GNUNET_TIME_Relative log_frequency,
690 char * testname, struct BenchmarkPeer *masters, int num_masters)
693 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
694 _("Start logging `%s'\n"), testname);
696 num_peers = num_masters;
698 frequency = log_frequency;
700 lp = GNUNET_malloc (num_masters * sizeof (struct LoggingPeer));
702 for (c_m = 0; c_m < num_masters; c_m ++)
704 lp[c_m].peer = &masters[c_m];
705 lp[c_m].start = GNUNET_TIME_absolute_get();
708 /* Schedule logging task */
709 log_task = GNUNET_SCHEDULER_add_now (&collect_log_task, NULL);
710 running = GNUNET_YES;
712 /* end of file perf_ats_logging.c */