WebSVN – HelenOS – Diff – /branches/tracing/uspace/app/trace/trace.c


/*
 * Copyright (c) 2008 Jiri Svoboda
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
/** @addtogroup sctrace
 * @{
 */
/** @file
 */
 
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <syscall.h>
#include <ipc/ipc.h>
#include <fibril.h>
#include <errno.h>
#include <udebug.h>
#include <async.h>
 
// Temporary: service and method names
#include "proto.h"
#include <ipc/services.h>
#include "../../srv/vfs/vfs.h"
#include "../../srv/console/console.h"
 
#include "syscalls.h"
#include "ipcp.h"
#include "errors.h"
 
 
#define THBUF_SIZE 64
unsigned thread_hash_buf[THBUF_SIZE];
unsigned n_threads;
 
int next_thread_id;
 
int phoneid;
int abort_trace;
 
unsigned thash;
volatile int paused;
 
void thread_trace_start(unsigned thread_hash);
 
static proto_t *proto_console;
 
int task_connect(int taskid)
{
    int rc;
 
    printf("ipc_connect_task(%d)... ", taskid);
    rc = ipc_connect_kbox(taskid);
    printf("-> %d\n", rc);
    phoneid = rc;
    if (rc < 0) return rc;
 
    printf("udebug_begin()... ");
    rc = udebug_begin(phoneid);
    printf("-> %d\n", rc);
    if (rc < 0) return rc;
 
    printf("udebug_set_evmask(0x%x)... ", UDEBUG_EM_ALL);
    rc = udebug_set_evmask(phoneid, UDEBUG_EM_ALL);
    printf("-> %d\n", rc);
    if (rc < 0) return rc;
 
    return 0;
}
 
int get_thread_list(void)
{
    int rc;
    int tb_copied;
    int tb_needed;
    int i;
 
 
    printf("send IPC_M_DEBUG_THREAD_READ message\n");
    rc = udebug_thread_read(phoneid, (unsigned)thread_hash_buf,
        THBUF_SIZE*sizeof(unsigned), &tb_copied, &tb_needed);
    printf("-> %d\n", rc);
    if (rc < 0) return rc;
 
    n_threads = tb_copied / sizeof(unsigned);
 
    printf("thread IDs:");
    for (i=0; i<n_threads; i++) {
        printf(" %u", thread_hash_buf[i]);
    }
    printf("\ntotal of %u threads\n", tb_needed/sizeof(unsigned));
 
    return 0;
}
 
void print_sc_retval(int retval, rv_type_t rv_type)
{
    printf (" -> ");
    if (rv_type == RV_INTEGER) {
        printf("%d", retval);
    } else if (rv_type == RV_HASH) {
        printf("0x%08x", retval);
    } else if (rv_type == RV_ERRNO) {
        if (retval >= -15 && retval <= 0) {
            printf("%d %s (%s)", retval,
                err_desc[retval].name,
                err_desc[retval].desc);
        } else {
            printf("%d", retval);
        }
    } else if (rv_type == RV_INT_ERRNO) {
        if (retval >= -15 && retval < 0) {
            printf("%d %s (%s)", retval,
                err_desc[retval].name,
                err_desc[retval].desc);
        } else {
            printf("%d", retval);
        }
    }
    putchar('\n');
}
 
void print_sc_args(unsigned *sc_args, int n)
{
    int i;
 
    putchar('(');
    if (n > 0) printf("%d", sc_args[0]);
    for (i=1; i<n; i++) {
        printf(", %d", sc_args[i]);
    }
    putchar(')');
}
 
void sc_ipc_call_async_fast(unsigned *sc_args, int sc_rc)
{
    ipc_call_t call;
    int phoneid;
   
    if (sc_rc == IPC_CALLRET_FATAL || sc_rc == IPC_CALLRET_TEMPORARY)
        return;
 
    phoneid = sc_args[0];
 
    IPC_SET_METHOD(call, sc_args[1]);
    IPC_SET_ARG1(call, sc_args[2]);
    IPC_SET_ARG2(call, sc_args[3]);
    IPC_SET_ARG3(call, sc_args[4]);
    IPC_SET_ARG4(call, sc_args[5]);
    IPC_SET_ARG5(call, 0);
 
    ipcp_call_out(phoneid, &call, sc_rc);
}
 
void sc_ipc_call_async_slow(unsigned *sc_args, int sc_rc)
{
    ipc_call_t call;
    int rc;
 
    if (sc_rc == IPC_CALLRET_FATAL || sc_rc == IPC_CALLRET_TEMPORARY)
        return;
 
    memset(&call, 0, sizeof(call));
    rc = udebug_mem_read(phoneid, &call.args, sc_args[1], sizeof(call.args));
 
    if (rc >= 0) {
        ipcp_call_out(sc_args[0], &call, sc_rc);
    }
}
 
void sc_ipc_call_sync_fast(unsigned *sc_args)
{
    ipc_call_t question, reply;
    int rc;
    int phoneidx;
 
//  printf("sc_ipc_call_sync_fast()\n");
    phoneidx = sc_args[0];
 
    IPC_SET_METHOD(question, sc_args[1]);
    IPC_SET_ARG1(question, sc_args[2]);
    IPC_SET_ARG2(question, sc_args[3]);
    IPC_SET_ARG3(question, sc_args[4]);
    IPC_SET_ARG4(question, 0);
    IPC_SET_ARG5(question, 0);
 
//  printf("memset\n");
    memset(&reply, 0, sizeof(reply));
//  printf("udebug_mem_read(phone=%d, buffer_ptr=%u, src_addr=%d, n=%d\n",
//      phoneid, &reply.args, sc_args[5], sizeof(reply.args));
    rc = udebug_mem_read(phoneid, &reply.args, sc_args[5], sizeof(reply.args));
//  printf("dmr->%d\n", rc);
    if (rc < 0) return;
 
//  printf("call ipc_call_sync\n");
    ipcp_call_sync(phoneidx, &question, &reply);
}
 
void sc_ipc_call_sync_slow(unsigned *sc_args)
{
    ipc_call_t question, reply;
    int rc;
 
    memset(&question, 0, sizeof(question));
    rc = udebug_mem_read(phoneid, &question.args, sc_args[1], sizeof(question.args));
    printf("dmr->%d\n", rc);
    if (rc < 0) return;
 
    memset(&reply, 0, sizeof(reply));
    rc = udebug_mem_read(phoneid, &reply.args, sc_args[2], sizeof(reply.args));
    printf("dmr->%d\n", rc);
    if (rc < 0) return;
 
    ipcp_call_sync(sc_args[0], &question, &reply);
}
 
void sc_ipc_wait(unsigned *sc_args, int sc_rc)
{
    ipc_call_t call;
    int rc;
 
    if (sc_rc == 0) return 0;
 
    memset(&call, 0, sizeof(call));
    rc = udebug_mem_read(phoneid, &call, sc_args[0], sizeof(call));
//  printf("udebug_mem_read(phone %d, dest %d, app-mem src %d, size %d -> %d\n",
//      phoneid, (int)&call, sc_args[0], sizeof(call), rc);
 
    if (rc >= 0) {
        ipcp_call_in(&call, sc_rc);
    }
}
 
void event_syscall_b(unsigned thread_id, unsigned thread_hash,  unsigned sc_id, int sc_rc)
{
    unsigned sc_args[6];
    int rv_type;
    int rc;
 
    /* Read syscall arguments */
    rc = udebug_args_read(phoneid, thread_hash, sc_args);
 
    async_serialize_start();
 
//  printf("[%d] ", thread_id);
 
    if (rc < 0) {
        printf("error\n");
        async_serialize_end();
        return;
    }
 
    /* Print syscall name, id and arguments */
    printf("%s", syscall_desc[sc_id].name);
    print_sc_args(sc_args, syscall_desc[sc_id].n_args);
 
    async_serialize_end();
}
 
void event_syscall_e(unsigned thread_id, unsigned thread_hash,  unsigned sc_id, int sc_rc)
{
    unsigned sc_args[6];
    int rv_type;
    int rc;
 
    /* Read syscall arguments */
    rc = udebug_args_read(phoneid, thread_hash, sc_args);
 
    async_serialize_start();
 
//  printf("[%d] ", thread_id);
 
    if (rc < 0) {
        printf("error\n");
        async_serialize_end();
        return;
    }
 
    rv_type = syscall_desc[sc_id].rv_type;
    print_sc_retval(sc_rc, rv_type);
 
    switch (sc_id) {
    case SYS_IPC_CALL_ASYNC_FAST:
        sc_ipc_call_async_fast(sc_args, sc_rc);
        break;
    case SYS_IPC_CALL_ASYNC_SLOW:
        sc_ipc_call_async_slow(sc_args, sc_rc);
        break;
    case SYS_IPC_CALL_SYNC_FAST:
        sc_ipc_call_sync_fast(sc_args);
        break;
    case SYS_IPC_CALL_SYNC_SLOW:
        sc_ipc_call_sync_slow(sc_args);
        break;
    case SYS_IPC_WAIT:
        sc_ipc_wait(sc_args, sc_rc);
        break;
    default:
        break;
    }
 
    async_serialize_end();
}
 
void event_thread_b(unsigned hash)
{
    async_serialize_start();
    printf("new thread, hash 0x%x\n", hash);
    async_serialize_end();
 
    thread_trace_start(hash);
}
 
void trace_loop(void *thread_hash_arg)
{
    int rc;
    unsigned ev_type;
    unsigned thread_hash;
    unsigned thread_id;
    unsigned val0, val1;
 
    thread_hash = (unsigned)thread_hash_arg;
    thread_id = next_thread_id++;
 
    printf("trace_loop(%d)\n", thread_id); 
 
    while (!abort_trace) {
 
        /* Run thread until an event occurs */
        rc = udebug_go(phoneid, thread_hash,
            &ev_type, &val0, &val1);
 
//      printf("rc = %d, ev_type=%d\n", rc, ev_type);
        if (ev_type == UDEBUG_EVENT_FINISHED) {
            printf("thread %u debugging finished\n", thread_id);
            break;
        }
 
        if (rc >= 0) {
            switch (ev_type) {
            case UDEBUG_EVENT_SYSCALL_B:
                event_syscall_b(thread_id, thread_hash, val0, (int)val1);
                break;
            case UDEBUG_EVENT_SYSCALL_E:
                event_syscall_e(thread_id, thread_hash, val0, (int)val1);
                break;
            case UDEBUG_EVENT_STOP:
                printf("stop event\n");
                printf("waiting for resume\n");
                while (paused) {
                    usleep(1000000);
                    fibril_yield();
                    printf(".");
                }
                printf("resumed\n");
                break;
            case UDEBUG_EVENT_THREAD_B:
                event_thread_b(val0);
                break;
            case UDEBUG_EVENT_THREAD_E:
                printf("thread 0x%x exited\n", val0);
                abort_trace = 1;
                break;
            default:
                printf("unknown event type %d\n", ev_type);
                break;
            }
        }
 
    }
 
    printf("trace_loop(%d) exiting\n", thread_id);
}
 
void thread_trace_start(unsigned thread_hash)
{
    fid_t fid;
 
    thash = thread_hash;
 
    fid = fibril_create(trace_loop, (void *)thread_hash);
    if (fid == 0) {
        printf("Warning: Failed creating fibril\n");
    }
    fibril_add_ready(fid);
}
 
void trace_active_task(void)
{
    int taskid;
    int i;
    int rc;
    int c;
 
    printf("Syscall Tracer\n");
    printf("Press 'c' to connect\n");
    while ((i = getchar()) != 'c')
        putchar(i);
 
    taskid = 14;
    rc = task_connect(taskid);
    if (rc < 0) {
        printf("Failed to connect to task %d\n", taskid);
        return;
    }
 
    printf("Connected to task %d\n", taskid);
 
    ipcp_init();
    ipcp_connection_set(1, 0, proto_console);
 
    rc = get_thread_list();
    if (rc < 0) {
        printf("Failed to get thread list (error %d)\n", rc);
        return;
    }
 
    abort_trace = 0;
 
    for (i = 0; i < n_threads; i++) {
        thread_trace_start(thread_hash_buf[i]);
    }
 
    while(1) {
        c = getchar();
        if (c == 'q') break;
        if (c == 'p') {
            paused = 1;
            rc = udebug_stop(phoneid, thash);
            printf("stop -> %d\n", rc);
        }
        if (c == 'r') {
            paused = 0;
        }
    }
 
    printf("terminate debugging session...\n");
    abort_trace = 1;
    udebug_end(phoneid);
    ipc_hangup(phoneid);
 
    ipcp_cleanup();
 
    printf("done\n");
    return;
}
 
static void main_init(void)
{
    proto_t *p;
    oper_t *o;
 
    next_thread_id = 1;
    paused = 0;
 
    proto_init();
 
    p = proto_new("vfs");
    o = oper_new("read");
    proto_add_oper(p, VFS_READ, o);
    o = oper_new("write");
    proto_add_oper(p, VFS_WRITE, o);
    o = oper_new("truncate");
    proto_add_oper(p, VFS_TRUNCATE, o);
    o = oper_new("mount");
    proto_add_oper(p, VFS_MOUNT, o);
    o = oper_new("unmount");
    proto_add_oper(p, VFS_UNMOUNT, o);
 
    proto_register(SERVICE_VFS, p);
 
    p = proto_new("console");
    o = oper_new("getchar");
    proto_add_oper(p, CONSOLE_GETCHAR, o);
    o = oper_new("putchar");
    proto_add_oper(p, CONSOLE_PUTCHAR, o);
    o = oper_new("clear");
    proto_add_oper(p, CONSOLE_CLEAR, o);
    o = oper_new("goto");
    proto_add_oper(p, CONSOLE_GOTO, o);
    o = oper_new("getsize");
    proto_add_oper(p, CONSOLE_GETSIZE, o);
    o = oper_new("flush");
    proto_add_oper(p, CONSOLE_FLUSH, o);
    o = oper_new("set_style");
    proto_add_oper(p, CONSOLE_SET_STYLE, o);
    o = oper_new("flush");
    proto_add_oper(p, CONSOLE_CURSOR_VISIBILITY, o);
    o = oper_new("cursor_visibility");
    proto_add_oper(p, CONSOLE_FLUSH, o);
 
    proto_console = p;
    proto_register(SERVICE_CONSOLE, p);
}
 
int main(void)
{
    main_init();
 
    while (1) {
        trace_active_task();
    }
}
 
/** @}
 */
 

Rev 2903	Rev 2904
1	/*	1	/*
2	* Copyright (c) 2008 Jiri Svoboda	2	* Copyright (c) 2008 Jiri Svoboda
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup sctrace	29	/** @addtogroup sctrace
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#include <stdio.h>	35	#include <stdio.h>
36	#include <stdlib.h>	36	#include <stdlib.h>
37	#include <unistd.h>	37	#include <unistd.h>
38	#include <syscall.h>	38	#include <syscall.h>
39	#include <ipc/ipc.h>	39	#include <ipc/ipc.h>
40	#include <fibril.h>	40	#include <fibril.h>
41	#include <errno.h>	41	#include <errno.h>
42	#include <udebug.h>	42	#include <udebug.h>
43	#include <async.h>	43	#include <async.h>
44		44
45	// Temporary: service and method names	45	// Temporary: service and method names
46	#include "proto.h"	46	#include "proto.h"
47	#include <ipc/services.h>	47	#include <ipc/services.h>
48	#include "../../srv/vfs/vfs.h"	48	#include "../../srv/vfs/vfs.h"
49	#include "../../srv/console/console.h"	49	#include "../../srv/console/console.h"
50		50
51	#include "syscalls.h"	51	#include "syscalls.h"
52	#include "ipcp.h"	52	#include "ipcp.h"
53	#include "errors.h"	53	#include "errors.h"
54	#include "debug_api.h"	-
55		54
56	#define THBUF_SIZE 64	55	#define THBUF_SIZE 64
57	unsigned thread_hash_buf[THBUF_SIZE];	56	unsigned thread_hash_buf[THBUF_SIZE];
58	unsigned n_threads;	57	unsigned n_threads;
59		58
60	int next_thread_id;	59	int next_thread_id;
61		60
62	int phoneid;	61	int phoneid;
63	int abort_trace;	62	int abort_trace;
64		63
65	unsigned thash;	64	unsigned thash;
66	volatile int paused;	65	volatile int paused;
67		66
68	void thread_trace_start(unsigned thread_hash);	67	void thread_trace_start(unsigned thread_hash);
69		68
70	static proto_t *proto_console;	69	static proto_t *proto_console;
71		70
72	int task_connect(int taskid)	71	int task_connect(int taskid)
73	{	72	{
74	int rc;	73	int rc;
75		74
76	printf("ipc_connect_task(%d)... ", taskid);	75	printf("ipc_connect_task(%d)... ", taskid);
77	rc = ipc_connect_kbox(taskid);	76	rc = ipc_connect_kbox(taskid);
78	printf("-> %d\n", rc);	77	printf("-> %d\n", rc);
79	phoneid = rc;	78	phoneid = rc;
80	if (rc < 0) return rc;	79	if (rc < 0) return rc;
81		80
82	printf("debug_begin()... ");	81	printf("udebug_begin()... ");
83	rc = debug_begin(phoneid);	82	rc = udebug_begin(phoneid);
84	printf("-> %d\n", rc);	83	printf("-> %d\n", rc);
85	if (rc < 0) return rc;	84	if (rc < 0) return rc;
86		85
87	printf("debug_set_evmask(0x%x)... ", UDEBUG_EM_ALL);	86	printf("udebug_set_evmask(0x%x)... ", UDEBUG_EM_ALL);
88	rc = debug_set_evmask(phoneid, UDEBUG_EM_ALL);	87	rc = udebug_set_evmask(phoneid, UDEBUG_EM_ALL);
89	printf("-> %d\n", rc);	88	printf("-> %d\n", rc);
90	if (rc < 0) return rc;	89	if (rc < 0) return rc;
91		90
92	return 0;	91	return 0;
93	}	92	}
94		93
95	int get_thread_list(void)	94	int get_thread_list(void)
96	{	95	{
97	int rc;	96	int rc;
98	int tb_copied;	97	int tb_copied;
99	int tb_needed;	98	int tb_needed;
100	int i;	99	int i;
101		100
102		101
103	printf("send IPC_M_DEBUG_THREAD_READ message\n");	102	printf("send IPC_M_DEBUG_THREAD_READ message\n");
104	rc = debug_thread_read(phoneid, (unsigned)thread_hash_buf,	103	rc = udebug_thread_read(phoneid, (unsigned)thread_hash_buf,
105	THBUF_SIZE*sizeof(unsigned), &tb_copied, &tb_needed);	104	THBUF_SIZE*sizeof(unsigned), &tb_copied, &tb_needed);
106	printf("-> %d\n", rc);	105	printf("-> %d\n", rc);
107	if (rc < 0) return rc;	106	if (rc < 0) return rc;
108		107
109	n_threads = tb_copied / sizeof(unsigned);	108	n_threads = tb_copied / sizeof(unsigned);
110		109
111	printf("thread IDs:");	110	printf("thread IDs:");
112	for (i=0; i<n_threads; i++) {	111	for (i=0; i<n_threads; i++) {
113	printf(" %u", thread_hash_buf[i]);	112	printf(" %u", thread_hash_buf[i]);
114	}	113	}
115	printf("\ntotal of %u threads\n", tb_needed/sizeof(unsigned));	114	printf("\ntotal of %u threads\n", tb_needed/sizeof(unsigned));
116		115
117	return 0;	116	return 0;
118	}	117	}
119		118
120	void print_sc_retval(int retval, rv_type_t rv_type)	119	void print_sc_retval(int retval, rv_type_t rv_type)
121	{	120	{
122	printf (" -> ");	121	printf (" -> ");
123	if (rv_type == RV_INTEGER) {	122	if (rv_type == RV_INTEGER) {
124	printf("%d", retval);	123	printf("%d", retval);
125	} else if (rv_type == RV_HASH) {	124	} else if (rv_type == RV_HASH) {
126	printf("0x%08x", retval);	125	printf("0x%08x", retval);
127	} else if (rv_type == RV_ERRNO) {	126	} else if (rv_type == RV_ERRNO) {
128	if (retval >= -15 && retval <= 0) {	127	if (retval >= -15 && retval <= 0) {
129	printf("%d %s (%s)", retval,	128	printf("%d %s (%s)", retval,
130	err_desc[retval].name,	129	err_desc[retval].name,
131	err_desc[retval].desc);	130	err_desc[retval].desc);
132	} else {	131	} else {
133	printf("%d", retval);	132	printf("%d", retval);
134	}	133	}
135	} else if (rv_type == RV_INT_ERRNO) {	134	} else if (rv_type == RV_INT_ERRNO) {
136	if (retval >= -15 && retval < 0) {	135	if (retval >= -15 && retval < 0) {
137	printf("%d %s (%s)", retval,	136	printf("%d %s (%s)", retval,
138	err_desc[retval].name,	137	err_desc[retval].name,
139	err_desc[retval].desc);	138	err_desc[retval].desc);
140	} else {	139	} else {
141	printf("%d", retval);	140	printf("%d", retval);
142	}	141	}
143	}	142	}
144	putchar('\n');	143	putchar('\n');
145	}	144	}
146		145
147	void print_sc_args(unsigned *sc_args, int n)	146	void print_sc_args(unsigned *sc_args, int n)
148	{	147	{
149	int i;	148	int i;
150		149
151	putchar('(');	150	putchar('(');
152	if (n > 0) printf("%d", sc_args[0]);	151	if (n > 0) printf("%d", sc_args[0]);
153	for (i=1; i<n; i++) {	152	for (i=1; i<n; i++) {
154	printf(", %d", sc_args[i]);	153	printf(", %d", sc_args[i]);
155	}	154	}
156	putchar(')');	155	putchar(')');
157	}	156	}
158		157
159	void sc_ipc_call_async_fast(unsigned *sc_args, int sc_rc)	158	void sc_ipc_call_async_fast(unsigned *sc_args, int sc_rc)
160	{	159	{
161	ipc_call_t call;	160	ipc_call_t call;
162	int phoneid;	161	int phoneid;
163		162
164	if (sc_rc == IPC_CALLRET_FATAL \|\| sc_rc == IPC_CALLRET_TEMPORARY)	163	if (sc_rc == IPC_CALLRET_FATAL \|\| sc_rc == IPC_CALLRET_TEMPORARY)
165	return;	164	return;
166		165
167	phoneid = sc_args[0];	166	phoneid = sc_args[0];
168		167
169	IPC_SET_METHOD(call, sc_args[1]);	168	IPC_SET_METHOD(call, sc_args[1]);
170	IPC_SET_ARG1(call, sc_args[2]);	169	IPC_SET_ARG1(call, sc_args[2]);
171	IPC_SET_ARG2(call, sc_args[3]);	170	IPC_SET_ARG2(call, sc_args[3]);
172	IPC_SET_ARG3(call, sc_args[4]);	171	IPC_SET_ARG3(call, sc_args[4]);
173	IPC_SET_ARG4(call, sc_args[5]);	172	IPC_SET_ARG4(call, sc_args[5]);
174	IPC_SET_ARG5(call, 0);	173	IPC_SET_ARG5(call, 0);
175		174
176	ipcp_call_out(phoneid, &call, sc_rc);	175	ipcp_call_out(phoneid, &call, sc_rc);
177	}	176	}
178		177
179	void sc_ipc_call_async_slow(unsigned *sc_args, int sc_rc)	178	void sc_ipc_call_async_slow(unsigned *sc_args, int sc_rc)
180	{	179	{
181	ipc_call_t call;	180	ipc_call_t call;
182	int rc;	181	int rc;
183		182
184	if (sc_rc == IPC_CALLRET_FATAL \|\| sc_rc == IPC_CALLRET_TEMPORARY)	183	if (sc_rc == IPC_CALLRET_FATAL \|\| sc_rc == IPC_CALLRET_TEMPORARY)
185	return;	184	return;
186		185
187	memset(&call, 0, sizeof(call));	186	memset(&call, 0, sizeof(call));
188	rc = debug_mem_read(phoneid, &call.args, sc_args[1], sizeof(call.args));	187	rc = udebug_mem_read(phoneid, &call.args, sc_args[1], sizeof(call.args));
189		188
190	if (rc >= 0) {	189	if (rc >= 0) {
191	ipcp_call_out(sc_args[0], &call, sc_rc);	190	ipcp_call_out(sc_args[0], &call, sc_rc);
192	}	191	}
193	}	192	}
194		193
195	void sc_ipc_call_sync_fast(unsigned *sc_args)	194	void sc_ipc_call_sync_fast(unsigned *sc_args)
196	{	195	{
197	ipc_call_t question, reply;	196	ipc_call_t question, reply;
198	int rc;	197	int rc;
199	int phoneidx;	198	int phoneidx;
200		199
201	// printf("sc_ipc_call_sync_fast()\n");	200	// printf("sc_ipc_call_sync_fast()\n");
202	phoneidx = sc_args[0];	201	phoneidx = sc_args[0];
203		202
204	IPC_SET_METHOD(question, sc_args[1]);	203	IPC_SET_METHOD(question, sc_args[1]);
205	IPC_SET_ARG1(question, sc_args[2]);	204	IPC_SET_ARG1(question, sc_args[2]);
206	IPC_SET_ARG2(question, sc_args[3]);	205	IPC_SET_ARG2(question, sc_args[3]);
207	IPC_SET_ARG3(question, sc_args[4]);	206	IPC_SET_ARG3(question, sc_args[4]);
208	IPC_SET_ARG4(question, 0);	207	IPC_SET_ARG4(question, 0);
209	IPC_SET_ARG5(question, 0);	208	IPC_SET_ARG5(question, 0);
210		209
211	// printf("memset\n");	210	// printf("memset\n");
212	memset(&reply, 0, sizeof(reply));	211	memset(&reply, 0, sizeof(reply));
213	// printf("debug_mem_read(phone=%d, buffer_ptr=%u, src_addr=%d, n=%d\n",	212	// printf("udebug_mem_read(phone=%d, buffer_ptr=%u, src_addr=%d, n=%d\n",
214	// phoneid, &reply.args, sc_args[5], sizeof(reply.args));	213	// phoneid, &reply.args, sc_args[5], sizeof(reply.args));
215	rc = debug_mem_read(phoneid, &reply.args, sc_args[5], sizeof(reply.args));	214	rc = udebug_mem_read(phoneid, &reply.args, sc_args[5], sizeof(reply.args));
216	// printf("dmr->%d\n", rc);	215	// printf("dmr->%d\n", rc);
217	if (rc < 0) return;	216	if (rc < 0) return;
218		217
219	// printf("call ipc_call_sync\n");	218	// printf("call ipc_call_sync\n");
220	ipcp_call_sync(phoneidx, &question, &reply);	219	ipcp_call_sync(phoneidx, &question, &reply);
221	}	220	}
222		221
223	void sc_ipc_call_sync_slow(unsigned *sc_args)	222	void sc_ipc_call_sync_slow(unsigned *sc_args)
224	{	223	{
225	ipc_call_t question, reply;	224	ipc_call_t question, reply;
226	int rc;	225	int rc;
227		226
228	memset(&question, 0, sizeof(question));	227	memset(&question, 0, sizeof(question));
229	rc = debug_mem_read(phoneid, &question.args, sc_args[1], sizeof(question.args));	228	rc = udebug_mem_read(phoneid, &question.args, sc_args[1], sizeof(question.args));
230	printf("dmr->%d\n", rc);	229	printf("dmr->%d\n", rc);
231	if (rc < 0) return;	230	if (rc < 0) return;
232		231
233	memset(&reply, 0, sizeof(reply));	232	memset(&reply, 0, sizeof(reply));
234	rc = debug_mem_read(phoneid, &reply.args, sc_args[2], sizeof(reply.args));	233	rc = udebug_mem_read(phoneid, &reply.args, sc_args[2], sizeof(reply.args));
235	printf("dmr->%d\n", rc);	234	printf("dmr->%d\n", rc);
236	if (rc < 0) return;	235	if (rc < 0) return;
237		236
238	ipcp_call_sync(sc_args[0], &question, &reply);	237	ipcp_call_sync(sc_args[0], &question, &reply);
239	}	238	}
240		239
241	void sc_ipc_wait(unsigned *sc_args, int sc_rc)	240	void sc_ipc_wait(unsigned *sc_args, int sc_rc)
242	{	241	{
243	ipc_call_t call;	242	ipc_call_t call;
244	int rc;	243	int rc;
245		244
246	if (sc_rc == 0) return 0;	245	if (sc_rc == 0) return 0;
247		246
248	memset(&call, 0, sizeof(call));	247	memset(&call, 0, sizeof(call));
249	rc = debug_mem_read(phoneid, &call, sc_args[0], sizeof(call));	248	rc = udebug_mem_read(phoneid, &call, sc_args[0], sizeof(call));
250	// printf("debug_mem_read(phone %d, dest %d, app-mem src %d, size %d -> %d\n",	249	// printf("udebug_mem_read(phone %d, dest %d, app-mem src %d, size %d -> %d\n",
251	// phoneid, (int)&call, sc_args[0], sizeof(call), rc);	250	// phoneid, (int)&call, sc_args[0], sizeof(call), rc);
252		251
253	if (rc >= 0) {	252	if (rc >= 0) {
254	ipcp_call_in(&call, sc_rc);	253	ipcp_call_in(&call, sc_rc);
255	}	254	}
256	}	255	}
257		256
258	void event_syscall_b(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc)	257	void event_syscall_b(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc)
259	{	258	{
260	unsigned sc_args[6];	259	unsigned sc_args[6];
261	int rv_type;	260	int rv_type;
262	int rc;	261	int rc;
263		262
264	/* Read syscall arguments */	263	/* Read syscall arguments */
265	rc = debug_args_read(phoneid, thread_hash, sc_args);	264	rc = udebug_args_read(phoneid, thread_hash, sc_args);
266		265
267	async_serialize_start();	266	async_serialize_start();
268		267
269	// printf("[%d] ", thread_id);	268	// printf("[%d] ", thread_id);
270		269
271	if (rc < 0) {	270	if (rc < 0) {
272	printf("error\n");	271	printf("error\n");
273	async_serialize_end();	272	async_serialize_end();
274	return;	273	return;
275	}	274	}
276		275
277	/* Print syscall name, id and arguments */	276	/* Print syscall name, id and arguments */
278	printf("%s", syscall_desc[sc_id].name);	277	printf("%s", syscall_desc[sc_id].name);
279	print_sc_args(sc_args, syscall_desc[sc_id].n_args);	278	print_sc_args(sc_args, syscall_desc[sc_id].n_args);
280		279
281	async_serialize_end();	280	async_serialize_end();
282	}	281	}
283		282
284	void event_syscall_e(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc)	283	void event_syscall_e(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc)
285	{	284	{
286	unsigned sc_args[6];	285	unsigned sc_args[6];
287	int rv_type;	286	int rv_type;
288	int rc;	287	int rc;
289		288
290	/* Read syscall arguments */	289	/* Read syscall arguments */
291	rc = debug_args_read(phoneid, thread_hash, sc_args);	290	rc = udebug_args_read(phoneid, thread_hash, sc_args);
292		291
293	async_serialize_start();	292	async_serialize_start();
294		293
295	// printf("[%d] ", thread_id);	294	// printf("[%d] ", thread_id);
296		295
297	if (rc < 0) {	296	if (rc < 0) {
298	printf("error\n");	297	printf("error\n");
299	async_serialize_end();	298	async_serialize_end();
300	return;	299	return;
301	}	300	}
302		301
303	rv_type = syscall_desc[sc_id].rv_type;	302	rv_type = syscall_desc[sc_id].rv_type;
304	print_sc_retval(sc_rc, rv_type);	303	print_sc_retval(sc_rc, rv_type);
305		304
306	switch (sc_id) {	305	switch (sc_id) {
307	case SYS_IPC_CALL_ASYNC_FAST:	306	case SYS_IPC_CALL_ASYNC_FAST:
308	sc_ipc_call_async_fast(sc_args, sc_rc);	307	sc_ipc_call_async_fast(sc_args, sc_rc);
309	break;	308	break;
310	case SYS_IPC_CALL_ASYNC_SLOW:	309	case SYS_IPC_CALL_ASYNC_SLOW:
311	sc_ipc_call_async_slow(sc_args, sc_rc);	310	sc_ipc_call_async_slow(sc_args, sc_rc);
312	break;	311	break;
313	case SYS_IPC_CALL_SYNC_FAST:	312	case SYS_IPC_CALL_SYNC_FAST:
314	sc_ipc_call_sync_fast(sc_args);	313	sc_ipc_call_sync_fast(sc_args);
315	break;	314	break;
316	case SYS_IPC_CALL_SYNC_SLOW:	315	case SYS_IPC_CALL_SYNC_SLOW:
317	sc_ipc_call_sync_slow(sc_args);	316	sc_ipc_call_sync_slow(sc_args);
318	break;	317	break;
319	case SYS_IPC_WAIT:	318	case SYS_IPC_WAIT:
320	sc_ipc_wait(sc_args, sc_rc);	319	sc_ipc_wait(sc_args, sc_rc);
321	break;	320	break;
322	default:	321	default:
323	break;	322	break;
324	}	323	}
325		324
326	async_serialize_end();	325	async_serialize_end();
327	}	326	}
328		327
329	void event_thread_b(unsigned hash)	328	void event_thread_b(unsigned hash)
330	{	329	{
331	async_serialize_start();	330	async_serialize_start();
332	printf("new thread, hash 0x%x\n", hash);	331	printf("new thread, hash 0x%x\n", hash);
333	async_serialize_end();	332	async_serialize_end();
334		333
335	thread_trace_start(hash);	334	thread_trace_start(hash);
336	}	335	}
337		336
338	void trace_loop(void *thread_hash_arg)	337	void trace_loop(void *thread_hash_arg)
339	{	338	{
340	int rc;	339	int rc;
341	unsigned ev_type;	340	unsigned ev_type;
342	unsigned thread_hash;	341	unsigned thread_hash;
343	unsigned thread_id;	342	unsigned thread_id;
344	unsigned val0, val1;	343	unsigned val0, val1;
345		344
346	thread_hash = (unsigned)thread_hash_arg;	345	thread_hash = (unsigned)thread_hash_arg;
347	thread_id = next_thread_id++;	346	thread_id = next_thread_id++;
348		347
349	printf("trace_loop(%d)\n", thread_id);	348	printf("trace_loop(%d)\n", thread_id);
350		349
351	while (!abort_trace) {	350	while (!abort_trace) {
352		351
353	/* Run thread until an event occurs */	352	/* Run thread until an event occurs */
354	rc = debug_go(phoneid, thread_hash,	353	rc = udebug_go(phoneid, thread_hash,
355	&ev_type, &val0, &val1);	354	&ev_type, &val0, &val1);
356		355
357	// printf("rc = %d, ev_type=%d\n", rc, ev_type);	356	// printf("rc = %d, ev_type=%d\n", rc, ev_type);
358	if (ev_type == UDEBUG_EVENT_FINISHED) {	357	if (ev_type == UDEBUG_EVENT_FINISHED) {
359	printf("thread %u debugging finished\n", thread_id);	358	printf("thread %u debugging finished\n", thread_id);
360	break;	359	break;
361	}	360	}
362		361
363	if (rc >= 0) {	362	if (rc >= 0) {
364	switch (ev_type) {	363	switch (ev_type) {
365	case UDEBUG_EVENT_SYSCALL_B:	364	case UDEBUG_EVENT_SYSCALL_B:
366	event_syscall_b(thread_id, thread_hash, val0, (int)val1);	365	event_syscall_b(thread_id, thread_hash, val0, (int)val1);
367	break;	366	break;
368	case UDEBUG_EVENT_SYSCALL_E:	367	case UDEBUG_EVENT_SYSCALL_E:
369	event_syscall_e(thread_id, thread_hash, val0, (int)val1);	368	event_syscall_e(thread_id, thread_hash, val0, (int)val1);
370	break;	369	break;
371	case UDEBUG_EVENT_STOP:	370	case UDEBUG_EVENT_STOP:
372	printf("stop event\n");	371	printf("stop event\n");
373	printf("waiting for resume\n");	372	printf("waiting for resume\n");
374	while (paused) {	373	while (paused) {
375	usleep(1000000);	374	usleep(1000000);
376	fibril_yield();	375	fibril_yield();
377	printf(".");	376	printf(".");
378	}	377	}
379	printf("resumed\n");	378	printf("resumed\n");
380	break;	379	break;
381	case UDEBUG_EVENT_THREAD_B:	380	case UDEBUG_EVENT_THREAD_B:
382	event_thread_b(val0);	381	event_thread_b(val0);
383	break;	382	break;
384	case UDEBUG_EVENT_THREAD_E:	383	case UDEBUG_EVENT_THREAD_E:
385	printf("thread 0x%x exited\n", val0);	384	printf("thread 0x%x exited\n", val0);
386	abort_trace = 1;	385	abort_trace = 1;
387	break;	386	break;
388	default:	387	default:
389	printf("unknown event type %d\n", ev_type);	388	printf("unknown event type %d\n", ev_type);
390	break;	389	break;
391	}	390	}
392	}	391	}
393		392
394	}	393	}
395		394
396	printf("trace_loop(%d) exiting\n", thread_id);	395	printf("trace_loop(%d) exiting\n", thread_id);
397	}	396	}
398		397
399	void thread_trace_start(unsigned thread_hash)	398	void thread_trace_start(unsigned thread_hash)
400	{	399	{
401	fid_t fid;	400	fid_t fid;
402		401
403	thash = thread_hash;	402	thash = thread_hash;
404		403
405	fid = fibril_create(trace_loop, (void *)thread_hash);	404	fid = fibril_create(trace_loop, (void *)thread_hash);
406	if (fid == 0) {	405	if (fid == 0) {
407	printf("Warning: Failed creating fibril\n");	406	printf("Warning: Failed creating fibril\n");
408	}	407	}
409	fibril_add_ready(fid);	408	fibril_add_ready(fid);
410	}	409	}
411		410
412	void trace_active_task(void)	411	void trace_active_task(void)
413	{	412	{
414	int taskid;	413	int taskid;
415	int i;	414	int i;
416	int rc;	415	int rc;
417	int c;	416	int c;
418		417
419	printf("Syscall Tracer\n");	418	printf("Syscall Tracer\n");
420	printf("Press 'c' to connect\n");	419	printf("Press 'c' to connect\n");
421	while ((i = getchar()) != 'c')	420	while ((i = getchar()) != 'c')
422	putchar(i);	421	putchar(i);
423		422
424	taskid = 14;	423	taskid = 14;
425	rc = task_connect(taskid);	424	rc = task_connect(taskid);
426	if (rc < 0) {	425	if (rc < 0) {
427	printf("Failed to connect to task %d\n", taskid);	426	printf("Failed to connect to task %d\n", taskid);
428	return;	427	return;
429	}	428	}
430		429
431	printf("Connected to task %d\n", taskid);	430	printf("Connected to task %d\n", taskid);
432		431
433	ipcp_init();	432	ipcp_init();
434	ipcp_connection_set(1, 0, proto_console);	433	ipcp_connection_set(1, 0, proto_console);
435		434
436	rc = get_thread_list();	435	rc = get_thread_list();
437	if (rc < 0) {	436	if (rc < 0) {
438	printf("Failed to get thread list (error %d)\n", rc);	437	printf("Failed to get thread list (error %d)\n", rc);
439	return;	438	return;
440	}	439	}
441		440
442	abort_trace = 0;	441	abort_trace = 0;
443		442
444	for (i = 0; i < n_threads; i++) {	443	for (i = 0; i < n_threads; i++) {
445	thread_trace_start(thread_hash_buf[i]);	444	thread_trace_start(thread_hash_buf[i]);
446	}	445	}
447		446
448	while(1) {	447	while(1) {
449	c = getchar();	448	c = getchar();
450	if (c == 'q') break;	449	if (c == 'q') break;
451	if (c == 'p') {	450	if (c == 'p') {
452	paused = 1;	451	paused = 1;
453	rc = debug_stop(phoneid, thash);	452	rc = udebug_stop(phoneid, thash);
454	printf("stop -> %d\n", rc);	453	printf("stop -> %d\n", rc);
455	}	454	}
456	if (c == 'r') {	455	if (c == 'r') {
457	paused = 0;	456	paused = 0;
458	}	457	}
459	}	458	}
460		459
461	printf("terminate debugging session...\n");	460	printf("terminate debugging session...\n");
462	abort_trace = 1;	461	abort_trace = 1;
463	debug_end(phoneid);	462	udebug_end(phoneid);
464	ipc_hangup(phoneid);	463	ipc_hangup(phoneid);
465		464
466	ipcp_cleanup();	465	ipcp_cleanup();
467		466
468	printf("done\n");	467	printf("done\n");
469	return;	468	return;
470	}	469	}
471		470
472	static void main_init(void)	471	static void main_init(void)
473	{	472	{
474	proto_t *p;	473	proto_t *p;
475	oper_t *o;	474	oper_t *o;
476		475
477	next_thread_id = 1;	476	next_thread_id = 1;
478	paused = 0;	477	paused = 0;
479		478
480	proto_init();	479	proto_init();
481		480
482	p = proto_new("vfs");	481	p = proto_new("vfs");
483	o = oper_new("read");	482	o = oper_new("read");
484	proto_add_oper(p, VFS_READ, o);	483	proto_add_oper(p, VFS_READ, o);
485	o = oper_new("write");	484	o = oper_new("write");
486	proto_add_oper(p, VFS_WRITE, o);	485	proto_add_oper(p, VFS_WRITE, o);
487	o = oper_new("truncate");	486	o = oper_new("truncate");
488	proto_add_oper(p, VFS_TRUNCATE, o);	487	proto_add_oper(p, VFS_TRUNCATE, o);
489	o = oper_new("mount");	488	o = oper_new("mount");
490	proto_add_oper(p, VFS_MOUNT, o);	489	proto_add_oper(p, VFS_MOUNT, o);
491	o = oper_new("unmount");	490	o = oper_new("unmount");
492	proto_add_oper(p, VFS_UNMOUNT, o);	491	proto_add_oper(p, VFS_UNMOUNT, o);
493		492
494	proto_register(SERVICE_VFS, p);	493	proto_register(SERVICE_VFS, p);
495		494
496	p = proto_new("console");	495	p = proto_new("console");
497	o = oper_new("getchar");	496	o = oper_new("getchar");
498	proto_add_oper(p, CONSOLE_GETCHAR, o);	497	proto_add_oper(p, CONSOLE_GETCHAR, o);
499	o = oper_new("putchar");	498	o = oper_new("putchar");
500	proto_add_oper(p, CONSOLE_PUTCHAR, o);	499	proto_add_oper(p, CONSOLE_PUTCHAR, o);

Subversion Repositories HelenOS

(root)/branches/tracing/uspace/app/trace/trace.c @ 3606 – Rev 2903 → 2904