Merge branch 'master' into gfio
[fio.git] / cconv.c
1 #include <string.h>
2
3 #include "thread_options.h"
4
5 static void string_to_cpu(char **dst, const uint8_t *src)
6 {
7         const char *__src = (const char *) src;
8
9         if (strlen(__src))
10                 *dst = strdup(__src);
11 }
12
13 static void string_to_net(uint8_t *dst, const char *src)
14 {
15         if (src)
16                 strcpy((char *) dst, src);
17         else
18                 dst[0] = '\0';
19 }
20
21 void convert_thread_options_to_cpu(struct thread_options *o,
22                                    struct thread_options_pack *top)
23 {
24         int i, j;
25
26         string_to_cpu(&o->description, top->description);
27         string_to_cpu(&o->name, top->name);
28         string_to_cpu(&o->directory, top->directory);
29         string_to_cpu(&o->filename, top->filename);
30         string_to_cpu(&o->opendir, top->opendir);
31         string_to_cpu(&o->ioengine, top->ioengine);
32         string_to_cpu(&o->mmapfile, top->mmapfile);
33         string_to_cpu(&o->read_iolog_file, top->read_iolog_file);
34         string_to_cpu(&o->write_iolog_file, top->write_iolog_file);
35         string_to_cpu(&o->bw_log_file, top->bw_log_file);
36         string_to_cpu(&o->lat_log_file, top->lat_log_file);
37         string_to_cpu(&o->iops_log_file, top->iops_log_file);
38         string_to_cpu(&o->replay_redirect, top->replay_redirect);
39         string_to_cpu(&o->exec_prerun, top->exec_prerun);
40         string_to_cpu(&o->exec_postrun, top->exec_postrun);
41         string_to_cpu(&o->ioscheduler, top->ioscheduler);
42         string_to_cpu(&o->profile, top->profile);
43         string_to_cpu(&o->cgroup, top->cgroup);
44
45         o->td_ddir = le32_to_cpu(top->td_ddir);
46         o->rw_seq = le32_to_cpu(top->rw_seq);
47         o->kb_base = le32_to_cpu(top->kb_base);
48         o->ddir_seq_nr = le32_to_cpu(top->ddir_seq_nr);
49         o->ddir_seq_add = le64_to_cpu(top->ddir_seq_add);
50         o->iodepth = le32_to_cpu(top->iodepth);
51         o->iodepth_low = le32_to_cpu(top->iodepth_low);
52         o->iodepth_batch = le32_to_cpu(top->iodepth_batch);
53         o->iodepth_batch_complete = le32_to_cpu(top->iodepth_batch_complete);
54         o->size = le64_to_cpu(top->size);
55         o->size_percent = le32_to_cpu(top->size_percent);
56         o->fill_device = le32_to_cpu(top->fill_device);
57         o->file_size_low = le64_to_cpu(top->file_size_low);
58         o->file_size_high = le64_to_cpu(top->file_size_high);
59         o->start_offset = le64_to_cpu(top->start_offset);
60
61         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
62                 o->bs[i] = le32_to_cpu(top->bs[i]);
63                 o->ba[i] = le32_to_cpu(top->ba[i]);
64                 o->min_bs[i] = le32_to_cpu(top->min_bs[i]);
65                 o->max_bs[i] = le32_to_cpu(top->max_bs[i]);
66                 o->bssplit_nr[i] = le32_to_cpu(top->bssplit_nr[i]);
67
68                 if (o->bssplit_nr[i]) {
69                         o->bssplit[i] = malloc(o->bssplit_nr[i] * sizeof(struct bssplit));
70                         for (j = 0; j < o->bssplit_nr[i]; j++) {
71                                 o->bssplit[i][j].bs = le32_to_cpu(top->bssplit[i][j].bs);
72                                 o->bssplit[i][j].perc = le32_to_cpu(top->bssplit[i][j].perc);
73                         }
74                 }
75
76                 o->rwmix[i] = le32_to_cpu(top->rwmix[i]);
77                 o->rate[i] = le32_to_cpu(top->rate[i]);
78                 o->ratemin[i] = le32_to_cpu(top->ratemin[i]);
79                 o->rate_iops[i] = le32_to_cpu(top->rate_iops[i]);
80                 o->rate_iops_min[i] = le32_to_cpu(top->rate_iops_min[i]);
81         }
82
83         o->ratecycle = le32_to_cpu(top->ratecycle);
84         o->nr_files = le32_to_cpu(top->nr_files);
85         o->open_files = le32_to_cpu(top->open_files);
86         o->file_lock_mode = le32_to_cpu(top->file_lock_mode);
87         o->lockfile_batch = le32_to_cpu(top->lockfile_batch);
88         o->odirect = le32_to_cpu(top->odirect);
89         o->invalidate_cache = le32_to_cpu(top->invalidate_cache);
90         o->create_serialize = le32_to_cpu(top->create_serialize);
91         o->create_fsync = le32_to_cpu(top->create_fsync);
92         o->create_on_open = le32_to_cpu(top->create_on_open);
93         o->create_only = le32_to_cpu(top->create_only);
94         o->end_fsync = le32_to_cpu(top->end_fsync);
95         o->pre_read = le32_to_cpu(top->pre_read);
96         o->sync_io = le32_to_cpu(top->sync_io);
97         o->verify = le32_to_cpu(top->verify);
98         o->do_verify = le32_to_cpu(top->do_verify);
99         o->verifysort = le32_to_cpu(top->verifysort);
100         o->verifysort_nr = le32_to_cpu(top->verifysort_nr);
101         o->experimental_verify = le32_to_cpu(top->experimental_verify);
102         o->verify_interval = le32_to_cpu(top->verify_interval);
103         o->verify_offset = le32_to_cpu(top->verify_offset);
104
105         memcpy(o->verify_pattern, top->verify_pattern, MAX_PATTERN_SIZE);
106
107         o->verify_pattern_bytes = le32_to_cpu(top->verify_pattern_bytes);
108         o->verify_fatal = le32_to_cpu(top->verify_fatal);
109         o->verify_dump = le32_to_cpu(top->verify_dump);
110         o->verify_async = le32_to_cpu(top->verify_async);
111         o->verify_batch = le32_to_cpu(top->verify_batch);
112         o->use_thread = le32_to_cpu(top->use_thread);
113         o->unlink = le32_to_cpu(top->unlink);
114         o->do_disk_util = le32_to_cpu(top->do_disk_util);
115         o->override_sync = le32_to_cpu(top->override_sync);
116         o->rand_repeatable = le32_to_cpu(top->rand_repeatable);
117         o->use_os_rand = le32_to_cpu(top->use_os_rand);
118         o->log_avg_msec = le32_to_cpu(top->log_avg_msec);
119         o->norandommap = le32_to_cpu(top->norandommap);
120         o->softrandommap = le32_to_cpu(top->softrandommap);
121         o->bs_unaligned = le32_to_cpu(top->bs_unaligned);
122         o->fsync_on_close = le32_to_cpu(top->fsync_on_close);
123         o->random_distribution = le32_to_cpu(top->random_distribution);
124         o->zipf_theta.u.f = fio_uint64_to_double(le64_to_cpu(top->zipf_theta.u.i));
125         o->pareto_h.u.f = fio_uint64_to_double(le64_to_cpu(top->pareto_h.u.i));
126         o->random_generator = le32_to_cpu(top->random_generator);
127         o->hugepage_size = le32_to_cpu(top->hugepage_size);
128         o->rw_min_bs = le32_to_cpu(top->rw_min_bs);
129         o->thinktime = le32_to_cpu(top->thinktime);
130         o->thinktime_spin = le32_to_cpu(top->thinktime_spin);
131         o->thinktime_blocks = le32_to_cpu(top->thinktime_blocks);
132         o->fsync_blocks = le32_to_cpu(top->fsync_blocks);
133         o->fdatasync_blocks = le32_to_cpu(top->fdatasync_blocks);
134         o->barrier_blocks = le32_to_cpu(top->barrier_blocks);
135
136         o->verify_backlog = le64_to_cpu(top->verify_backlog);
137         o->start_delay = le64_to_cpu(top->start_delay);
138         o->timeout = le64_to_cpu(top->timeout);
139         o->ramp_time = le64_to_cpu(top->ramp_time);
140         o->zone_range = le64_to_cpu(top->zone_range);
141         o->zone_size = le64_to_cpu(top->zone_size);
142         o->zone_skip = le64_to_cpu(top->zone_skip);
143         o->lockmem = le64_to_cpu(top->lockmem);
144         o->offset_increment = le64_to_cpu(top->offset_increment);
145
146         o->overwrite = le32_to_cpu(top->overwrite);
147         o->bw_avg_time = le32_to_cpu(top->bw_avg_time);
148         o->iops_avg_time = le32_to_cpu(top->iops_avg_time);
149         o->loops = le32_to_cpu(top->loops);
150         o->mem_type = le32_to_cpu(top->mem_type);
151         o->mem_align = le32_to_cpu(top->mem_align);
152         o->max_latency = le32_to_cpu(top->max_latency);
153         o->stonewall = le32_to_cpu(top->stonewall);
154         o->new_group = le32_to_cpu(top->new_group);
155         o->numjobs = le32_to_cpu(top->numjobs);
156         o->cpumask_set = le32_to_cpu(top->cpumask_set);
157         o->verify_cpumask_set = le32_to_cpu(top->verify_cpumask_set);
158         o->iolog = le32_to_cpu(top->iolog);
159         o->rwmixcycle = le32_to_cpu(top->rwmixcycle);
160         o->nice = le32_to_cpu(top->nice);
161         o->ioprio = le32_to_cpu(top->ioprio);
162         o->ioprio_class = le32_to_cpu(top->ioprio_class);
163         o->file_service_type = le32_to_cpu(top->file_service_type);
164         o->group_reporting = le32_to_cpu(top->group_reporting);
165         o->fadvise_hint = le32_to_cpu(top->fadvise_hint);
166         o->fallocate_mode = le32_to_cpu(top->fallocate_mode);
167         o->zero_buffers = le32_to_cpu(top->zero_buffers);
168         o->refill_buffers = le32_to_cpu(top->refill_buffers);
169         o->scramble_buffers = le32_to_cpu(top->scramble_buffers);
170         o->time_based = le32_to_cpu(top->time_based);
171         o->disable_lat = le32_to_cpu(top->disable_lat);
172         o->disable_clat = le32_to_cpu(top->disable_clat);
173         o->disable_slat = le32_to_cpu(top->disable_slat);
174         o->disable_bw = le32_to_cpu(top->disable_bw);
175         o->unified_rw_rep = le32_to_cpu(top->unified_rw_rep);
176         o->gtod_reduce = le32_to_cpu(top->gtod_reduce);
177         o->gtod_cpu = le32_to_cpu(top->gtod_cpu);
178         o->gtod_offload = le32_to_cpu(top->gtod_offload);
179         o->clocksource = le32_to_cpu(top->clocksource);
180         o->no_stall = le32_to_cpu(top->no_stall);
181         o->trim_percentage = le32_to_cpu(top->trim_percentage);
182         o->trim_batch = le32_to_cpu(top->trim_batch);
183         o->trim_zero = le32_to_cpu(top->trim_zero);
184         o->clat_percentiles = le32_to_cpu(top->clat_percentiles);
185         o->percentile_precision = le32_to_cpu(top->percentile_precision);
186         o->continue_on_error = le32_to_cpu(top->continue_on_error);
187         o->cgroup_weight = le32_to_cpu(top->cgroup_weight);
188         o->cgroup_nodelete = le32_to_cpu(top->cgroup_nodelete);
189         o->uid = le32_to_cpu(top->uid);
190         o->gid = le32_to_cpu(top->gid);
191         o->flow_id = __le32_to_cpu(top->flow_id);
192         o->flow = __le32_to_cpu(top->flow);
193         o->flow_watermark = __le32_to_cpu(top->flow_watermark);
194         o->flow_sleep = le32_to_cpu(top->flow_sleep);
195         o->sync_file_range = le32_to_cpu(top->sync_file_range);
196         o->compress_percentage = le32_to_cpu(top->compress_percentage);
197         o->compress_chunk = le32_to_cpu(top->compress_chunk);
198
199         o->trim_backlog = le64_to_cpu(top->trim_backlog);
200
201         for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++)
202                 o->percentile_list[i].u.f = fio_uint64_to_double(le64_to_cpu(top->percentile_list[i].u.i));
203 #if 0
204         uint8_t cpumask[FIO_TOP_STR_MAX];
205         uint8_t verify_cpumask[FIO_TOP_STR_MAX];
206 #endif
207 }
208
209 void convert_thread_options_to_net(struct thread_options_pack *top,
210                                    struct thread_options *o)
211 {
212         int i, j;
213
214         string_to_net(top->description, o->description);
215         string_to_net(top->name, o->name);
216         string_to_net(top->directory, o->directory);
217         string_to_net(top->filename, o->filename);
218         string_to_net(top->opendir, o->opendir);
219         string_to_net(top->ioengine, o->ioengine);
220         string_to_net(top->mmapfile, o->mmapfile);
221         string_to_net(top->read_iolog_file, o->read_iolog_file);
222         string_to_net(top->write_iolog_file, o->write_iolog_file);
223         string_to_net(top->bw_log_file, o->bw_log_file);
224         string_to_net(top->lat_log_file, o->lat_log_file);
225         string_to_net(top->iops_log_file, o->iops_log_file);
226         string_to_net(top->replay_redirect, o->replay_redirect);
227         string_to_net(top->exec_prerun, o->exec_prerun);
228         string_to_net(top->exec_postrun, o->exec_postrun);
229         string_to_net(top->ioscheduler, o->ioscheduler);
230         string_to_net(top->profile, o->profile);
231         string_to_net(top->cgroup, o->cgroup);
232
233         top->td_ddir = cpu_to_le32(o->td_ddir);
234         top->rw_seq = cpu_to_le32(o->rw_seq);
235         top->kb_base = cpu_to_le32(o->kb_base);
236         top->ddir_seq_nr = cpu_to_le32(o->ddir_seq_nr);
237         top->iodepth = cpu_to_le32(o->iodepth);
238         top->iodepth_low = cpu_to_le32(o->iodepth_low);
239         top->iodepth_batch = cpu_to_le32(o->iodepth_batch);
240         top->iodepth_batch_complete = cpu_to_le32(o->iodepth_batch_complete);
241         top->size_percent = cpu_to_le32(o->size_percent);
242         top->fill_device = cpu_to_le32(o->fill_device);
243         top->ratecycle = cpu_to_le32(o->ratecycle);
244         top->nr_files = cpu_to_le32(o->nr_files);
245         top->open_files = cpu_to_le32(o->open_files);
246         top->file_lock_mode = cpu_to_le32(o->file_lock_mode);
247         top->lockfile_batch = cpu_to_le32(o->lockfile_batch);
248         top->odirect = cpu_to_le32(o->odirect);
249         top->invalidate_cache = cpu_to_le32(o->invalidate_cache);
250         top->create_serialize = cpu_to_le32(o->create_serialize);
251         top->create_fsync = cpu_to_le32(o->create_fsync);
252         top->create_on_open = cpu_to_le32(o->create_on_open);
253         top->create_only = cpu_to_le32(o->create_only);
254         top->end_fsync = cpu_to_le32(o->end_fsync);
255         top->pre_read = cpu_to_le32(o->pre_read);
256         top->sync_io = cpu_to_le32(o->sync_io);
257         top->verify = cpu_to_le32(o->verify);
258         top->do_verify = cpu_to_le32(o->do_verify);
259         top->verifysort = cpu_to_le32(o->verifysort);
260         top->verifysort_nr = cpu_to_le32(o->verifysort_nr);
261         top->experimental_verify = cpu_to_le32(o->experimental_verify);
262         top->verify_interval = cpu_to_le32(o->verify_interval);
263         top->verify_offset = cpu_to_le32(o->verify_offset);
264         top->verify_pattern_bytes = cpu_to_le32(o->verify_pattern_bytes);
265         top->verify_fatal = cpu_to_le32(o->verify_fatal);
266         top->verify_dump = cpu_to_le32(o->verify_dump);
267         top->verify_async = cpu_to_le32(o->verify_async);
268         top->verify_batch = cpu_to_le32(o->verify_batch);
269         top->use_thread = cpu_to_le32(o->use_thread);
270         top->unlink = cpu_to_le32(o->unlink);
271         top->do_disk_util = cpu_to_le32(o->do_disk_util);
272         top->override_sync = cpu_to_le32(o->override_sync);
273         top->rand_repeatable = cpu_to_le32(o->rand_repeatable);
274         top->use_os_rand = cpu_to_le32(o->use_os_rand);
275         top->log_avg_msec = cpu_to_le32(o->log_avg_msec);
276         top->norandommap = cpu_to_le32(o->norandommap);
277         top->softrandommap = cpu_to_le32(o->softrandommap);
278         top->bs_unaligned = cpu_to_le32(o->bs_unaligned);
279         top->fsync_on_close = cpu_to_le32(o->fsync_on_close);
280         top->random_distribution = cpu_to_le32(o->random_distribution);
281         top->zipf_theta.u.i = __cpu_to_le64(fio_double_to_uint64(o->zipf_theta.u.f));
282         top->pareto_h.u.i = __cpu_to_le64(fio_double_to_uint64(o->pareto_h.u.f));
283         top->random_generator = cpu_to_le32(o->random_generator);
284         top->hugepage_size = cpu_to_le32(o->hugepage_size);
285         top->rw_min_bs = cpu_to_le32(o->rw_min_bs);
286         top->thinktime = cpu_to_le32(o->thinktime);
287         top->thinktime_spin = cpu_to_le32(o->thinktime_spin);
288         top->thinktime_blocks = cpu_to_le32(o->thinktime_blocks);
289         top->fsync_blocks = cpu_to_le32(o->fsync_blocks);
290         top->fdatasync_blocks = cpu_to_le32(o->fdatasync_blocks);
291         top->barrier_blocks = cpu_to_le32(o->barrier_blocks);
292         top->overwrite = cpu_to_le32(o->overwrite);
293         top->bw_avg_time = cpu_to_le32(o->bw_avg_time);
294         top->iops_avg_time = cpu_to_le32(o->iops_avg_time);
295         top->loops = cpu_to_le32(o->loops);
296         top->mem_type = cpu_to_le32(o->mem_type);
297         top->mem_align = cpu_to_le32(o->mem_align);
298         top->max_latency = cpu_to_le32(o->max_latency);
299         top->stonewall = cpu_to_le32(o->stonewall);
300         top->new_group = cpu_to_le32(o->new_group);
301         top->numjobs = cpu_to_le32(o->numjobs);
302         top->cpumask_set = cpu_to_le32(o->cpumask_set);
303         top->verify_cpumask_set = cpu_to_le32(o->verify_cpumask_set);
304         top->iolog = cpu_to_le32(o->iolog);
305         top->rwmixcycle = cpu_to_le32(o->rwmixcycle);
306         top->nice = cpu_to_le32(o->nice);
307         top->ioprio = cpu_to_le32(o->ioprio);
308         top->ioprio_class = cpu_to_le32(o->ioprio_class);
309         top->file_service_type = cpu_to_le32(o->file_service_type);
310         top->group_reporting = cpu_to_le32(o->group_reporting);
311         top->fadvise_hint = cpu_to_le32(o->fadvise_hint);
312         top->fallocate_mode = cpu_to_le32(o->fallocate_mode);
313         top->zero_buffers = cpu_to_le32(o->zero_buffers);
314         top->refill_buffers = cpu_to_le32(o->refill_buffers);
315         top->scramble_buffers = cpu_to_le32(o->scramble_buffers);
316         top->time_based = cpu_to_le32(o->time_based);
317         top->disable_lat = cpu_to_le32(o->disable_lat);
318         top->disable_clat = cpu_to_le32(o->disable_clat);
319         top->disable_slat = cpu_to_le32(o->disable_slat);
320         top->disable_bw = cpu_to_le32(o->disable_bw);
321         top->unified_rw_rep = cpu_to_le32(o->unified_rw_rep);
322         top->gtod_reduce = cpu_to_le32(o->gtod_reduce);
323         top->gtod_cpu = cpu_to_le32(o->gtod_cpu);
324         top->gtod_offload = cpu_to_le32(o->gtod_offload);
325         top->clocksource = cpu_to_le32(o->clocksource);
326         top->no_stall = cpu_to_le32(o->no_stall);
327         top->trim_percentage = cpu_to_le32(o->trim_percentage);
328         top->trim_batch = cpu_to_le32(o->trim_batch);
329         top->trim_zero = cpu_to_le32(o->trim_zero);
330         top->clat_percentiles = cpu_to_le32(o->clat_percentiles);
331         top->percentile_precision = cpu_to_le32(o->percentile_precision);
332         top->continue_on_error = cpu_to_le32(o->continue_on_error);
333         top->cgroup_weight = cpu_to_le32(o->cgroup_weight);
334         top->cgroup_nodelete = cpu_to_le32(o->cgroup_nodelete);
335         top->uid = cpu_to_le32(o->uid);
336         top->gid = cpu_to_le32(o->gid);
337         top->flow_id = __cpu_to_le32(o->flow_id);
338         top->flow = __cpu_to_le32(o->flow);
339         top->flow_watermark = __cpu_to_le32(o->flow_watermark);
340         top->flow_sleep = cpu_to_le32(o->flow_sleep);
341         top->sync_file_range = cpu_to_le32(o->sync_file_range);
342         top->compress_percentage = cpu_to_le32(o->compress_percentage);
343         top->compress_chunk = cpu_to_le32(o->compress_chunk);
344
345         for (i = 0; i < DDIR_RWDIR_CNT; i++) {
346                 top->bs[i] = cpu_to_le32(o->bs[i]);
347                 top->ba[i] = cpu_to_le32(o->ba[i]);
348                 top->min_bs[i] = cpu_to_le32(o->min_bs[i]);
349                 top->max_bs[i] = cpu_to_le32(o->max_bs[i]);
350                 top->bssplit_nr[i] = cpu_to_le32(o->bssplit_nr[i]);
351
352                 if (o->bssplit_nr[i]) {
353                         unsigned int bssplit_nr = o->bssplit_nr[i];
354
355                         if (bssplit_nr > BSSPLIT_MAX) {
356                                 log_err("fio: BSSPLIT_MAX is too small\n");
357                                 bssplit_nr = BSSPLIT_MAX;
358                         }
359                         for (j = 0; j < bssplit_nr; j++) {
360                                 top->bssplit[i][j].bs = cpu_to_le32(o->bssplit[i][j].bs);
361                                 top->bssplit[i][j].perc = cpu_to_le32(o->bssplit[i][j].perc);
362                         }
363                 }
364
365                 top->rwmix[i] = cpu_to_le32(o->rwmix[i]);
366                 top->rate[i] = cpu_to_le32(o->rate[i]);
367                 top->ratemin[i] = cpu_to_le32(o->ratemin[i]);
368                 top->rate_iops[i] = cpu_to_le32(o->rate_iops[i]);
369                 top->rate_iops_min[i] = cpu_to_le32(o->rate_iops_min[i]);
370         }
371
372         memcpy(top->verify_pattern, o->verify_pattern, MAX_PATTERN_SIZE);
373
374         top->size = __cpu_to_le64(o->size);
375         top->verify_backlog = __cpu_to_le64(o->verify_backlog);
376         top->start_delay = __cpu_to_le64(o->start_delay);
377         top->timeout = __cpu_to_le64(o->timeout);
378         top->ramp_time = __cpu_to_le64(o->ramp_time);
379         top->zone_range = __cpu_to_le64(o->zone_range);
380         top->zone_size = __cpu_to_le64(o->zone_size);
381         top->zone_skip = __cpu_to_le64(o->zone_skip);
382         top->lockmem = __cpu_to_le64(o->lockmem);
383         top->ddir_seq_add = __cpu_to_le64(o->ddir_seq_add);
384         top->file_size_low = __cpu_to_le64(o->file_size_low);
385         top->file_size_high = __cpu_to_le64(o->file_size_high);
386         top->start_offset = __cpu_to_le64(o->start_offset);
387         top->trim_backlog = __cpu_to_le64(o->trim_backlog);
388         top->offset_increment = __cpu_to_le64(o->offset_increment);
389
390         for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++)
391                 top->percentile_list[i].u.i = __cpu_to_le64(fio_double_to_uint64(o->percentile_list[i].u.f));
392 #if 0
393         uint8_t cpumask[FIO_TOP_STR_MAX];
394         uint8_t verify_cpumask[FIO_TOP_STR_MAX];
395 #endif
396
397 }
398
399 /*
400  * Basic conversion test. We'd really need to fill in more of the options
401  * to have a thorough test. Even better, we should auto-generate the
402  * converter functions...
403  */
404 int fio_test_cconv(struct thread_options *__o)
405 {
406         struct thread_options o;
407         struct thread_options_pack top1, top2;
408
409         memset(&top1, 0, sizeof(top1));
410         memset(&top2, 0, sizeof(top2));
411
412         convert_thread_options_to_net(&top1, __o);
413         memset(&o, 0, sizeof(o));
414         convert_thread_options_to_cpu(&o, &top1);
415         convert_thread_options_to_net(&top2, &o);
416
417         return memcmp(&top1, &top2, sizeof(top1));
418 }