a752c7ab
 elopes
add first test an...
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/**
* Print thread information.
*
* Copyright (C) 2013, INRIA.
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*
* @ingroup ps
* @{
* @file
* @brief UNIX like ps command
* @author Kaspar Schleiser <kaspar@schleiser.de>
* @}
*/
#include <stdio.h>
#include "thread.h"
#include "sched.h"
#include "thread.h"
#include "kernel_types.h"
#ifdef MODULE_SCHEDSTATISTICS
#include "xtimer.h"
#endif
#ifdef MODULE_TLSF
#include "tlsf.h"
#endif
/* list of states copied from tcb.h */
static const char *state_names[] = {
[STATUS_RUNNING] = "running",
[STATUS_PENDING] = "pending",
[STATUS_STOPPED] = "stopped",
[STATUS_SLEEPING] = "sleeping",
[STATUS_MUTEX_BLOCKED] = "bl mutex",
[STATUS_RECEIVE_BLOCKED] = "bl rx",
[STATUS_SEND_BLOCKED] = "bl send",
[STATUS_REPLY_BLOCKED] = "bl reply",
[STATUS_FLAG_BLOCKED_ANY] = "bl anyfl",
[STATUS_FLAG_BLOCKED_ALL] = "bl allfl",
[STATUS_MBOX_BLOCKED] = "bl mbox",
};
/**
* @brief Prints a list of running threads including stack usage to stdout.
*/
void ps(void)
{
const char queued_name[] = {'_', 'Q'};
#ifdef DEVELHELP
int overall_stacksz = 0, overall_used = 0;
#endif
printf("\tpid | "
#ifdef DEVELHELP
"%-21s| "
#endif
"%-9sQ | pri "
#ifdef DEVELHELP
"| stack ( used) | base addr | current "
#endif
#ifdef MODULE_SCHEDSTATISTICS
"| runtime | switches"
#endif
"\n",
#ifdef DEVELHELP
"name",
#endif
"state");
#if defined(DEVELHELP) && defined(ISR_STACKSIZE)
int isr_usage = thread_arch_isr_stack_usage();
void *isr_start = thread_arch_isr_stack_start();
void *isr_sp = thread_arch_isr_stack_pointer();
printf("\t - | isr_stack | - - |"
" - | %6i (%5i) | %10p | %10p\n", ISR_STACKSIZE, isr_usage, isr_start, isr_sp);
overall_stacksz += ISR_STACKSIZE;
if (isr_usage > 0) {
overall_used += isr_usage;
}
#endif
#ifdef MODULE_SCHEDSTATISTICS
uint64_t rt_sum = 0;
for (kernel_pid_t i = KERNEL_PID_FIRST; i <= KERNEL_PID_LAST; i++) {
thread_t *p = (thread_t *)sched_threads[i];
if (p != NULL) {
rt_sum += sched_pidlist[i].runtime_ticks;
}
}
#endif /* MODULE_SCHEDSTATISTICS */
for (kernel_pid_t i = KERNEL_PID_FIRST; i <= KERNEL_PID_LAST; i++) {
thread_t *p = (thread_t *)sched_threads[i];
if (p != NULL) {
int state = p->status; /* copy state */
const char *sname = state_names[state]; /* get state name */
const char *queued = &queued_name[(int)(state >= STATUS_ON_RUNQUEUE)]; /* get queued flag */
#ifdef DEVELHELP
int stacksz = p->stack_size; /* get stack size */
overall_stacksz += stacksz;
stacksz -= thread_measure_stack_free(p->stack_start);
overall_used += stacksz;
#endif
#ifdef MODULE_SCHEDSTATISTICS
/* multiply with 100 for percentage and to avoid floats/doubles */
uint64_t runtime_ticks = sched_pidlist[i].runtime_ticks * 100;
unsigned runtime_major = runtime_ticks / rt_sum;
unsigned runtime_minor = ((runtime_ticks % rt_sum) * 1000) / rt_sum;
unsigned switches = sched_pidlist[i].schedules;
#endif
printf("\t%3" PRIkernel_pid
#ifdef DEVELHELP
" | %-20s"
#endif
" | %-8s %.1s | %3i"
#ifdef DEVELHELP
" | %6i (%5i) | %10p | %10p "
#endif
#ifdef MODULE_SCHEDSTATISTICS
" | %2d.%03d%% | %8u"
#endif
"\n",
p->pid,
#ifdef DEVELHELP
p->name,
#endif
sname, queued, p->priority
#ifdef DEVELHELP
, p->stack_size, stacksz, (void *)p->stack_start, (void *)p->sp
#endif
#ifdef MODULE_SCHEDSTATISTICS
, runtime_major, runtime_minor, switches
#endif
);
}
}
#ifdef DEVELHELP
printf("\t%5s %-21s|%13s%6s %6i (%5i)\n", "|", "SUM", "|", "|",
overall_stacksz, overall_used);
# ifdef MODULE_TLSF
puts("\nHeap usage:");
tlsf_walk_pool(NULL);
# endif
#endif
}
|