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;
 
static 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;
}
 
static int get_thread_list(void)
{
    int rc;
    size_t tb_copied;
    size_t tb_needed;
    int i;
 
 
    printf("send IPC_M_DEBUG_THREAD_READ message\n");
    rc = udebug_thread_read(phoneid, 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;
}
 
static 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');
}
 
static 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(')');
}
 
static 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);
}
 
static 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);
    }
}
 
static 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);
}
 
static 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);
}
 
static void sc_ipc_wait(unsigned *sc_args, int sc_rc)
{
    ipc_call_t call;
    int rc;
 
    if (sc_rc == 0) return;
 
    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);
    }
}
 
static void event_syscall_b(unsigned thread_id, unsigned thread_hash,  unsigned sc_id, int sc_rc)
{
    unsigned sc_args[6];
 
    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();
}
 
static 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();
}
 
static void event_thread_b(unsigned hash)
{
    async_serialize_start();
    printf("new thread, hash 0x%x\n", hash);
    async_serialize_end();
 
    thread_trace_start(hash);
}
 
static int 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);
    return 0;
}
 
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);
}
 
static 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 2904	Rev 2946
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		54
55	#define THBUF_SIZE 64	55	#define THBUF_SIZE 64
56	unsigned thread_hash_buf[THBUF_SIZE];	56	unsigned thread_hash_buf[THBUF_SIZE];
57	unsigned n_threads;	57	unsigned n_threads;
58		58
59	int next_thread_id;	59	int next_thread_id;
60		60
61	int phoneid;	61	int phoneid;
62	int abort_trace;	62	int abort_trace;
63		63
64	unsigned thash;	64	unsigned thash;
65	volatile int paused;	65	volatile int paused;
66		66
67	void thread_trace_start(unsigned thread_hash);	67	void thread_trace_start(unsigned thread_hash);
68		68
69	static proto_t *proto_console;	69	static proto_t *proto_console;
70		70
71	int task_connect(int taskid)	71	static int task_connect(int taskid)
72	{	72	{
73	int rc;	73	int rc;
74		74
75	printf("ipc_connect_task(%d)... ", taskid);	75	printf("ipc_connect_task(%d)... ", taskid);
76	rc = ipc_connect_kbox(taskid);	76	rc = ipc_connect_kbox(taskid);
77	printf("-> %d\n", rc);	77	printf("-> %d\n", rc);
78	phoneid = rc;	78	phoneid = rc;
79	if (rc < 0) return rc;	79	if (rc < 0) return rc;
80		80
81	printf("udebug_begin()... ");	81	printf("udebug_begin()... ");
82	rc = udebug_begin(phoneid);	82	rc = udebug_begin(phoneid);
83	printf("-> %d\n", rc);	83	printf("-> %d\n", rc);
84	if (rc < 0) return rc;	84	if (rc < 0) return rc;
85		85
86	printf("udebug_set_evmask(0x%x)... ", UDEBUG_EM_ALL);	86	printf("udebug_set_evmask(0x%x)... ", UDEBUG_EM_ALL);
87	rc = udebug_set_evmask(phoneid, UDEBUG_EM_ALL);	87	rc = udebug_set_evmask(phoneid, UDEBUG_EM_ALL);
88	printf("-> %d\n", rc);	88	printf("-> %d\n", rc);
89	if (rc < 0) return rc;	89	if (rc < 0) return rc;
90		90
91	return 0;	91	return 0;
92	}	92	}
93		93
94	int get_thread_list(void)	94	static int get_thread_list(void)
95	{	95	{
96	int rc;	96	int rc;
97	int tb_copied;	97	size_t tb_copied;
98	int tb_needed;	98	size_t tb_needed;
99	int i;	99	int i;
100		100
101		-
102	printf("send IPC_M_DEBUG_THREAD_READ message\n");	101	printf("send IPC_M_DEBUG_THREAD_READ message\n");
103	rc = udebug_thread_read(phoneid, (unsigned)thread_hash_buf,	102	rc = udebug_thread_read(phoneid, thread_hash_buf,
104	THBUF_SIZE*sizeof(unsigned), &tb_copied, &tb_needed);	103	THBUF_SIZE*sizeof(unsigned), &tb_copied, &tb_needed);
105	printf("-> %d\n", rc);	104	printf("-> %d\n", rc);
106	if (rc < 0) return rc;	105	if (rc < 0) return rc;
107		106
108	n_threads = tb_copied / sizeof(unsigned);	107	n_threads = tb_copied / sizeof(unsigned);
109		108
110	printf("thread IDs:");	109	printf("thread IDs:");
111	for (i=0; i<n_threads; i++) {	110	for (i=0; i<n_threads; i++) {
112	printf(" %u", thread_hash_buf[i]);	111	printf(" %u", thread_hash_buf[i]);
113	}	112	}
114	printf("\ntotal of %u threads\n", tb_needed/sizeof(unsigned));	113	printf("\ntotal of %u threads\n", tb_needed/sizeof(unsigned));
115		114
116	return 0;	115	return 0;
117	}	116	}
118		117
119	void print_sc_retval(int retval, rv_type_t rv_type)	118	static void print_sc_retval(int retval, rv_type_t rv_type)
120	{	119	{
121	printf (" -> ");	120	printf (" -> ");
122	if (rv_type == RV_INTEGER) {	121	if (rv_type == RV_INTEGER) {
123	printf("%d", retval);	122	printf("%d", retval);
124	} else if (rv_type == RV_HASH) {	123	} else if (rv_type == RV_HASH) {
125	printf("0x%08x", retval);	124	printf("0x%08x", retval);
126	} else if (rv_type == RV_ERRNO) {	125	} else if (rv_type == RV_ERRNO) {
127	if (retval >= -15 && retval <= 0) {	126	if (retval >= -15 && retval <= 0) {
128	printf("%d %s (%s)", retval,	127	printf("%d %s (%s)", retval,
129	err_desc[retval].name,	128	err_desc[retval].name,
130	err_desc[retval].desc);	129	err_desc[retval].desc);
131	} else {	130	} else {
132	printf("%d", retval);	131	printf("%d", retval);
133	}	132	}
134	} else if (rv_type == RV_INT_ERRNO) {	133	} else if (rv_type == RV_INT_ERRNO) {
135	if (retval >= -15 && retval < 0) {	134	if (retval >= -15 && retval < 0) {
136	printf("%d %s (%s)", retval,	135	printf("%d %s (%s)", retval,
137	err_desc[retval].name,	136	err_desc[retval].name,
138	err_desc[retval].desc);	137	err_desc[retval].desc);
139	} else {	138	} else {
140	printf("%d", retval);	139	printf("%d", retval);
141	}	140	}
142	}	141	}
143	putchar('\n');	142	putchar('\n');
144	}	143	}
145		144
146	void print_sc_args(unsigned *sc_args, int n)	145	static void print_sc_args(unsigned *sc_args, int n)
147	{	146	{
148	int i;	147	int i;
149		148
150	putchar('(');	149	putchar('(');
151	if (n > 0) printf("%d", sc_args[0]);	150	if (n > 0) printf("%d", sc_args[0]);
152	for (i=1; i<n; i++) {	151	for (i=1; i<n; i++) {
153	printf(", %d", sc_args[i]);	152	printf(", %d", sc_args[i]);
154	}	153	}
155	putchar(')');	154	putchar(')');
156	}	155	}
157		156
158	void sc_ipc_call_async_fast(unsigned *sc_args, int sc_rc)	157	static void sc_ipc_call_async_fast(unsigned *sc_args, int sc_rc)
159	{	158	{
160	ipc_call_t call;	159	ipc_call_t call;
161	int phoneid;	160	int phoneid;
162		161
163	if (sc_rc == IPC_CALLRET_FATAL \|\| sc_rc == IPC_CALLRET_TEMPORARY)	162	if (sc_rc == IPC_CALLRET_FATAL \|\| sc_rc == IPC_CALLRET_TEMPORARY)
164	return;	163	return;
165		164
166	phoneid = sc_args[0];	165	phoneid = sc_args[0];
167		166
168	IPC_SET_METHOD(call, sc_args[1]);	167	IPC_SET_METHOD(call, sc_args[1]);
169	IPC_SET_ARG1(call, sc_args[2]);	168	IPC_SET_ARG1(call, sc_args[2]);
170	IPC_SET_ARG2(call, sc_args[3]);	169	IPC_SET_ARG2(call, sc_args[3]);
171	IPC_SET_ARG3(call, sc_args[4]);	170	IPC_SET_ARG3(call, sc_args[4]);
172	IPC_SET_ARG4(call, sc_args[5]);	171	IPC_SET_ARG4(call, sc_args[5]);
173	IPC_SET_ARG5(call, 0);	172	IPC_SET_ARG5(call, 0);
174		173
175	ipcp_call_out(phoneid, &call, sc_rc);	174	ipcp_call_out(phoneid, &call, sc_rc);
176	}	175	}
177		176
178	void sc_ipc_call_async_slow(unsigned *sc_args, int sc_rc)	177	static void sc_ipc_call_async_slow(unsigned *sc_args, int sc_rc)
179	{	178	{
180	ipc_call_t call;	179	ipc_call_t call;
181	int rc;	180	int rc;
182		181
183	if (sc_rc == IPC_CALLRET_FATAL \|\| sc_rc == IPC_CALLRET_TEMPORARY)	182	if (sc_rc == IPC_CALLRET_FATAL \|\| sc_rc == IPC_CALLRET_TEMPORARY)
184	return;	183	return;
185		184
186	memset(&call, 0, sizeof(call));	185	memset(&call, 0, sizeof(call));
187	rc = udebug_mem_read(phoneid, &call.args, sc_args[1], sizeof(call.args));	186	rc = udebug_mem_read(phoneid, &call.args, sc_args[1], sizeof(call.args));
188		187
189	if (rc >= 0) {	188	if (rc >= 0) {
190	ipcp_call_out(sc_args[0], &call, sc_rc);	189	ipcp_call_out(sc_args[0], &call, sc_rc);
191	}	190	}
192	}	191	}
193		192
194	void sc_ipc_call_sync_fast(unsigned *sc_args)	193	static void sc_ipc_call_sync_fast(unsigned *sc_args)
195	{	194	{
196	ipc_call_t question, reply;	195	ipc_call_t question, reply;
197	int rc;	196	int rc;
198	int phoneidx;	197	int phoneidx;
199		198
200	// printf("sc_ipc_call_sync_fast()\n");	199	// printf("sc_ipc_call_sync_fast()\n");
201	phoneidx = sc_args[0];	200	phoneidx = sc_args[0];
202		201
203	IPC_SET_METHOD(question, sc_args[1]);	202	IPC_SET_METHOD(question, sc_args[1]);
204	IPC_SET_ARG1(question, sc_args[2]);	203	IPC_SET_ARG1(question, sc_args[2]);
205	IPC_SET_ARG2(question, sc_args[3]);	204	IPC_SET_ARG2(question, sc_args[3]);
206	IPC_SET_ARG3(question, sc_args[4]);	205	IPC_SET_ARG3(question, sc_args[4]);
207	IPC_SET_ARG4(question, 0);	206	IPC_SET_ARG4(question, 0);
208	IPC_SET_ARG5(question, 0);	207	IPC_SET_ARG5(question, 0);
209		208
210	// printf("memset\n");	209	// printf("memset\n");
211	memset(&reply, 0, sizeof(reply));	210	memset(&reply, 0, sizeof(reply));
212	// printf("udebug_mem_read(phone=%d, buffer_ptr=%u, src_addr=%d, n=%d\n",	211	// printf("udebug_mem_read(phone=%d, buffer_ptr=%u, src_addr=%d, n=%d\n",
213	// phoneid, &reply.args, sc_args[5], sizeof(reply.args));	212	// phoneid, &reply.args, sc_args[5], sizeof(reply.args));
214	rc = udebug_mem_read(phoneid, &reply.args, sc_args[5], sizeof(reply.args));	213	rc = udebug_mem_read(phoneid, &reply.args, sc_args[5], sizeof(reply.args));
215	// printf("dmr->%d\n", rc);	214	// printf("dmr->%d\n", rc);
216	if (rc < 0) return;	215	if (rc < 0) return;
217		216
218	// printf("call ipc_call_sync\n");	217	// printf("call ipc_call_sync\n");
219	ipcp_call_sync(phoneidx, &question, &reply);	218	ipcp_call_sync(phoneidx, &question, &reply);
220	}	219	}
221		220
222	void sc_ipc_call_sync_slow(unsigned *sc_args)	221	static void sc_ipc_call_sync_slow(unsigned *sc_args)
223	{	222	{
224	ipc_call_t question, reply;	223	ipc_call_t question, reply;
225	int rc;	224	int rc;
226		225
227	memset(&question, 0, sizeof(question));	226	memset(&question, 0, sizeof(question));
228	rc = udebug_mem_read(phoneid, &question.args, sc_args[1], sizeof(question.args));	227	rc = udebug_mem_read(phoneid, &question.args, sc_args[1], sizeof(question.args));
229	printf("dmr->%d\n", rc);	228	printf("dmr->%d\n", rc);
230	if (rc < 0) return;	229	if (rc < 0) return;
231		230
232	memset(&reply, 0, sizeof(reply));	231	memset(&reply, 0, sizeof(reply));
233	rc = udebug_mem_read(phoneid, &reply.args, sc_args[2], sizeof(reply.args));	232	rc = udebug_mem_read(phoneid, &reply.args, sc_args[2], sizeof(reply.args));
234	printf("dmr->%d\n", rc);	233	printf("dmr->%d\n", rc);
235	if (rc < 0) return;	234	if (rc < 0) return;
236		235
237	ipcp_call_sync(sc_args[0], &question, &reply);	236	ipcp_call_sync(sc_args[0], &question, &reply);
238	}	237	}
239		238
240	void sc_ipc_wait(unsigned *sc_args, int sc_rc)	239	static void sc_ipc_wait(unsigned *sc_args, int sc_rc)
241	{	240	{
242	ipc_call_t call;	241	ipc_call_t call;
243	int rc;	242	int rc;
244		243
245	if (sc_rc == 0) return 0;	244	if (sc_rc == 0) return;
246		245
247	memset(&call, 0, sizeof(call));	246	memset(&call, 0, sizeof(call));
248	rc = udebug_mem_read(phoneid, &call, sc_args[0], sizeof(call));	247	rc = udebug_mem_read(phoneid, &call, sc_args[0], sizeof(call));
249	// printf("udebug_mem_read(phone %d, dest %d, app-mem src %d, size %d -> %d\n",	248	// printf("udebug_mem_read(phone %d, dest %d, app-mem src %d, size %d -> %d\n",
250	// phoneid, (int)&call, sc_args[0], sizeof(call), rc);	249	// phoneid, (int)&call, sc_args[0], sizeof(call), rc);
251		250
252	if (rc >= 0) {	251	if (rc >= 0) {
253	ipcp_call_in(&call, sc_rc);	252	ipcp_call_in(&call, sc_rc);
254	}	253	}
255	}	254	}
256		255
257	void event_syscall_b(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc)	256	static void event_syscall_b(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc)
258	{	257	{
259	unsigned sc_args[6];	258	unsigned sc_args[6];
260	int rv_type;	-
261	int rc;	259	int rc;
262		260
263	/* Read syscall arguments */	261	/* Read syscall arguments */
264	rc = udebug_args_read(phoneid, thread_hash, sc_args);	262	rc = udebug_args_read(phoneid, thread_hash, sc_args);
265		263
266	async_serialize_start();	264	async_serialize_start();
267		265
268	// printf("[%d] ", thread_id);	266	// printf("[%d] ", thread_id);
269		267
270	if (rc < 0) {	268	if (rc < 0) {
271	printf("error\n");	269	printf("error\n");
272	async_serialize_end();	270	async_serialize_end();
273	return;	271	return;
274	}	272	}
275		273
276	/* Print syscall name, id and arguments */	274	/* Print syscall name, id and arguments */
277	printf("%s", syscall_desc[sc_id].name);	275	printf("%s", syscall_desc[sc_id].name);
278	print_sc_args(sc_args, syscall_desc[sc_id].n_args);	276	print_sc_args(sc_args, syscall_desc[sc_id].n_args);
279		277
280	async_serialize_end();	278	async_serialize_end();
281	}	279	}
282		280
283	void event_syscall_e(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc)	281	static void event_syscall_e(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc)
284	{	282	{
285	unsigned sc_args[6];	283	unsigned sc_args[6];
286	int rv_type;	284	int rv_type;
287	int rc;	285	int rc;
288		286
289	/* Read syscall arguments */	287	/* Read syscall arguments */
290	rc = udebug_args_read(phoneid, thread_hash, sc_args);	288	rc = udebug_args_read(phoneid, thread_hash, sc_args);
291		289
292	async_serialize_start();	290	async_serialize_start();
293		291
294	// printf("[%d] ", thread_id);	292	// printf("[%d] ", thread_id);
295		293
296	if (rc < 0) {	294	if (rc < 0) {
297	printf("error\n");	295	printf("error\n");
298	async_serialize_end();	296	async_serialize_end();
299	return;	297	return;
300	}	298	}
301		299
302	rv_type = syscall_desc[sc_id].rv_type;	300	rv_type = syscall_desc[sc_id].rv_type;
303	print_sc_retval(sc_rc, rv_type);	301	print_sc_retval(sc_rc, rv_type);
304		302
305	switch (sc_id) {	303	switch (sc_id) {
306	case SYS_IPC_CALL_ASYNC_FAST:	304	case SYS_IPC_CALL_ASYNC_FAST:
307	sc_ipc_call_async_fast(sc_args, sc_rc);	305	sc_ipc_call_async_fast(sc_args, sc_rc);
308	break;	306	break;
309	case SYS_IPC_CALL_ASYNC_SLOW:	307	case SYS_IPC_CALL_ASYNC_SLOW:
310	sc_ipc_call_async_slow(sc_args, sc_rc);	308	sc_ipc_call_async_slow(sc_args, sc_rc);
311	break;	309	break;
312	case SYS_IPC_CALL_SYNC_FAST:	310	case SYS_IPC_CALL_SYNC_FAST:
313	sc_ipc_call_sync_fast(sc_args);	311	sc_ipc_call_sync_fast(sc_args);
314	break;	312	break;
315	case SYS_IPC_CALL_SYNC_SLOW:	313	case SYS_IPC_CALL_SYNC_SLOW:
316	sc_ipc_call_sync_slow(sc_args);	314	sc_ipc_call_sync_slow(sc_args);
317	break;	315	break;
318	case SYS_IPC_WAIT:	316	case SYS_IPC_WAIT:
319	sc_ipc_wait(sc_args, sc_rc);	317	sc_ipc_wait(sc_args, sc_rc);
320	break;	318	break;
321	default:	319	default:
322	break;	320	break;
323	}	321	}
324		322
325	async_serialize_end();	323	async_serialize_end();
326	}	324	}
327		325
328	void event_thread_b(unsigned hash)	326	static void event_thread_b(unsigned hash)
329	{	327	{
330	async_serialize_start();	328	async_serialize_start();
331	printf("new thread, hash 0x%x\n", hash);	329	printf("new thread, hash 0x%x\n", hash);
332	async_serialize_end();	330	async_serialize_end();
333		331
334	thread_trace_start(hash);	332	thread_trace_start(hash);
335	}	333	}
336		334
337	void trace_loop(void *thread_hash_arg)	335	static int trace_loop(void *thread_hash_arg)
338	{	336	{
339	int rc;	337	int rc;
340	unsigned ev_type;	338	unsigned ev_type;
341	unsigned thread_hash;	339	unsigned thread_hash;
342	unsigned thread_id;	340	unsigned thread_id;
343	unsigned val0, val1;	341	unsigned val0, val1;
344		342
345	thread_hash = (unsigned)thread_hash_arg;	343	thread_hash = (unsigned)thread_hash_arg;
346	thread_id = next_thread_id++;	344	thread_id = next_thread_id++;
347		345
348	printf("trace_loop(%d)\n", thread_id);	346	printf("trace_loop(%d)\n", thread_id);
349		347
350	while (!abort_trace) {	348	while (!abort_trace) {
351		349
352	/* Run thread until an event occurs */	350	/* Run thread until an event occurs */
353	rc = udebug_go(phoneid, thread_hash,	351	rc = udebug_go(phoneid, thread_hash,
354	&ev_type, &val0, &val1);	352	&ev_type, &val0, &val1);
355		353
356	// printf("rc = %d, ev_type=%d\n", rc, ev_type);	354	// printf("rc = %d, ev_type=%d\n", rc, ev_type);
357	if (ev_type == UDEBUG_EVENT_FINISHED) {	355	if (ev_type == UDEBUG_EVENT_FINISHED) {
358	printf("thread %u debugging finished\n", thread_id);	356	printf("thread %u debugging finished\n", thread_id);
359	break;	357	break;
360	}	358	}
361		359
362	if (rc >= 0) {	360	if (rc >= 0) {
363	switch (ev_type) {	361	switch (ev_type) {
364	case UDEBUG_EVENT_SYSCALL_B:	362	case UDEBUG_EVENT_SYSCALL_B:
365	event_syscall_b(thread_id, thread_hash, val0, (int)val1);	363	event_syscall_b(thread_id, thread_hash, val0, (int)val1);
366	break;	364	break;
367	case UDEBUG_EVENT_SYSCALL_E:	365	case UDEBUG_EVENT_SYSCALL_E:
368	event_syscall_e(thread_id, thread_hash, val0, (int)val1);	366	event_syscall_e(thread_id, thread_hash, val0, (int)val1);
369	break;	367	break;
370	case UDEBUG_EVENT_STOP:	368	case UDEBUG_EVENT_STOP:
371	printf("stop event\n");	369	printf("stop event\n");
372	printf("waiting for resume\n");	370	printf("waiting for resume\n");
373	while (paused) {	371	while (paused) {
374	usleep(1000000);	372	usleep(1000000);
375	fibril_yield();	373	fibril_yield();
376	printf(".");	374	printf(".");
377	}	375	}
378	printf("resumed\n");	376	printf("resumed\n");
379	break;	377	break;
380	case UDEBUG_EVENT_THREAD_B:	378	case UDEBUG_EVENT_THREAD_B:
381	event_thread_b(val0);	379	event_thread_b(val0);
382	break;	380	break;
383	case UDEBUG_EVENT_THREAD_E:	381	case UDEBUG_EVENT_THREAD_E:
384	printf("thread 0x%x exited\n", val0);	382	printf("thread 0x%x exited\n", val0);
385	abort_trace = 1;	383	abort_trace = 1;
386	break;	384	break;
387	default:	385	default:
388	printf("unknown event type %d\n", ev_type);	386	printf("unknown event type %d\n", ev_type);
389	break;	387	break;
390	}	388	}
391	}	389	}
392		390
393	}	391	}
394		392
395	printf("trace_loop(%d) exiting\n", thread_id);	393	printf("trace_loop(%d) exiting\n", thread_id);
-		394	return 0;
396	}	395	}
397		396
398	void thread_trace_start(unsigned thread_hash)	397	void thread_trace_start(unsigned thread_hash)
399	{	398	{
400	fid_t fid;	399	fid_t fid;
401		400
402	thash = thread_hash;	401	thash = thread_hash;
403		402
404	fid = fibril_create(trace_loop, (void *)thread_hash);	403	fid = fibril_create(trace_loop, (void *)thread_hash);
405	if (fid == 0) {	404	if (fid == 0) {
406	printf("Warning: Failed creating fibril\n");	405	printf("Warning: Failed creating fibril\n");
407	}	406	}
408	fibril_add_ready(fid);	407	fibril_add_ready(fid);
409	}	408	}
410		409
411	void trace_active_task(void)	410	static void trace_active_task(void)
412	{	411	{
413	int taskid;	412	int taskid;
414	int i;	413	int i;
415	int rc;	414	int rc;
416	int c;	415	int c;
417		416
418	printf("Syscall Tracer\n");	417	printf("Syscall Tracer\n");
419	printf("Press 'c' to connect\n");	418	printf("Press 'c' to connect\n");
420	while ((i = getchar()) != 'c')	419	while ((i = getchar()) != 'c')
421	putchar(i);	420	putchar(i);
422		421
423	taskid = 14;	422	taskid = 14;
424	rc = task_connect(taskid);	423	rc = task_connect(taskid);
425	if (rc < 0) {	424	if (rc < 0) {
426	printf("Failed to connect to task %d\n", taskid);	425	printf("Failed to connect to task %d\n", taskid);
427	return;	426	return;
428	}	427	}
429		428
430	printf("Connected to task %d\n", taskid);	429	printf("Connected to task %d\n", taskid);
431		430
432	ipcp_init();	431	ipcp_init();
433	ipcp_connection_set(1, 0, proto_console);	432	ipcp_connection_set(1, 0, proto_console);
434		433
435	rc = get_thread_list();	434	rc = get_thread_list();
436	if (rc < 0) {	435	if (rc < 0) {
437	printf("Failed to get thread list (error %d)\n", rc);	436	printf("Failed to get thread list (error %d)\n", rc);
438	return;	437	return;
439	}	438	}
440		439
441	abort_trace = 0;	440	abort_trace = 0;
442		441
443	for (i = 0; i < n_threads; i++) {	442	for (i = 0; i < n_threads; i++) {
444	thread_trace_start(thread_hash_buf[i]);	443	thread_trace_start(thread_hash_buf[i]);
445	}	444	}
446		445
447	while(1) {	446	while(1) {
448	c = getchar();	447	c = getchar();
449	if (c == 'q') break;	448	if (c == 'q') break;
450	if (c == 'p') {	449	if (c == 'p') {
451	paused = 1;	450	paused = 1;
452	rc = udebug_stop(phoneid, thash);	451	rc = udebug_stop(phoneid, thash);
453	printf("stop -> %d\n", rc);	452	printf("stop -> %d\n", rc);
454	}	453	}
455	if (c == 'r') {	454	if (c == 'r') {
456	paused = 0;	455	paused = 0;
457	}	456	}
458	}	457	}
459		458
460	printf("terminate debugging session...\n");	459	printf("terminate debugging session...\n");
461	abort_trace = 1;	460	abort_trace = 1;
462	udebug_end(phoneid);	461	udebug_end(phoneid);
463	ipc_hangup(phoneid);	462	ipc_hangup(phoneid);
464		463
465	ipcp_cleanup();	464	ipcp_cleanup();
466		465
467	printf("done\n");	466	printf("done\n");
468	return;	467	return;
469	}	468	}
470		469
471	static void main_init(void)	470	static void main_init(void)
472	{	471	{
473	proto_t *p;	472	proto_t *p;
474	oper_t *o;	473	oper_t *o;
475		474
476	next_thread_id = 1;	475	next_thread_id = 1;
477	paused = 0;	476	paused = 0;
478		477
479	proto_init();	478	proto_init();
480		479
481	p = proto_new("vfs");	480	p = proto_new("vfs");
482	o = oper_new("read");	481	o = oper_new("read");
483	proto_add_oper(p, VFS_READ, o);	482	proto_add_oper(p, VFS_READ, o);
484	o = oper_new("write");	483	o = oper_new("write");
485	proto_add_oper(p, VFS_WRITE, o);	484	proto_add_oper(p, VFS_WRITE, o);
486	o = oper_new("truncate");	485	o = oper_new("truncate");
487	proto_add_oper(p, VFS_TRUNCATE, o);	486	proto_add_oper(p, VFS_TRUNCATE, o);
488	o = oper_new("mount");	487	o = oper_new("mount");
489	proto_add_oper(p, VFS_MOUNT, o);	488	proto_add_oper(p, VFS_MOUNT, o);
490	o = oper_new("unmount");	489	o = oper_new("unmount");
491	proto_add_oper(p, VFS_UNMOUNT, o);	490	proto_add_oper(p, VFS_UNMOUNT, o);
492		491
493	proto_register(SERVICE_VFS, p);	492	proto_register(SERVICE_VFS, p);
494		493
495	p = proto_new("console");	494	p = proto_new("console");
496	o = oper_new("getchar");	495	o = oper_new("getchar");
497	proto_add_oper(p, CONSOLE_GETCHAR, o);	496	proto_add_oper(p, CONSOLE_GETCHAR, o);
498	o = oper_new("putchar");	497	o = oper_new("putchar");
499	proto_add_oper(p, CONSOLE_PUTCHAR, o);	498	proto_add_oper(p, CONSOLE_PUTCHAR, o);

Subversion Repositories HelenOS

(root)/branches/tracing/uspace/app/trace/trace.c @ 3622 – Rev 2904 → 2946