WebSVN – HelenOS – Diff – /branches/dd/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 trace
 * @{
 */
/** @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(task_id_t task_id)
{
    int rc;
 
 
    rc = ipc_connect_kbox(task_id);
 
 
    if (rc == ENOTSUP) {
        printf("You do not have userspace debugging support "
            "compiled in the kernel.\n");
        printf("Compile kernel with 'Support for userspace debuggers' "
            "(CONFIG_UDEBUG) enabled.\n");
        return rc;
    }
 
    if (rc < 0) {
        printf("Error connecting\n");
        printf("ipc_connect_task(%lld) -> %d ", task_id, rc);
        return rc;
    }
 
    phoneid = rc;
 
 
 
    rc = udebug_begin(phoneid);
    if (rc < 0) {
        printf("udebug_begin() -> %d\n", rc);
        return rc;
    }
 
 
    rc = udebug_set_evmask(phoneid, UDEBUG_EM_ALL);
    if (rc < 0) {
        printf("udebug_set_evmask(0x%x) -> %d\n ", UDEBUG_EM_ALL, rc);
        return rc;
    }
 
    return 0;
}
 
static int get_thread_list(void)
{
    int rc;
    size_t tb_copied;
    size_t tb_needed;
    int i;
 
 
    rc = udebug_thread_read(phoneid, thread_hash_buf,
        THBUF_SIZE*sizeof(unsigned), &tb_copied, &tb_needed);
    if (rc < 0) {
        printf("udebug_thread_read() -> %d\n", rc);
        return rc;
    }
 
    n_threads = tb_copied / sizeof(unsigned);
 
    printf("Threads:");
    for (i = 0; i < n_threads; i++) {
        printf(" [%d] (hash 0x%u)", 1+i, 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("Start tracing thread [%d] (hash 0x%x)\n", thread_id, thread_hash);
 
    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) {
            /* Done tracing this thread */
            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("Finished tracing thread [%d]\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(task_id_t task_id)
{
    int i;
    int rc;
    int c;
 
    printf("Syscall Tracer\n");
 
    rc = task_connect(task_id);
    if (rc < 0) {
        printf("Failed to connect to task %lld\n", task_id);
        return;
    }
 
    printf("Connected to task %lld\n", task_id);
 
    ipcp_init();
 
    /*
     * User apps now typically have console on phone 3.
     * (Phones 1 and 2 are used by the loader).
     */
    ipcp_connection_set(3, 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("\nTerminate 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("cursor_visibility");
    proto_add_oper(p, CONSOLE_CURSOR_VISIBILITY, o);
    o = oper_new("flush");
    proto_add_oper(p, CONSOLE_FLUSH, o);
 
    proto_console = p;
    proto_register(SERVICE_CONSOLE, p);
}
 
static void print_syntax()
{
    printf("Syntax: trace <task_id>\n");
}
 
int main(int argc, char *argv[])
{
    task_id_t task_id;
    char *err_p;
 
    if (argc != 2) {
        printf("Mising argument\n");
        print_syntax();
        return 1;
    }
 
    task_id = strtol(argv[1], &err_p, 10);
 
    if (*err_p) {
        printf("Task ID syntax error\n");
        print_syntax();
        return 1;
    }
 
    main_init();
    trace_active_task(task_id);
}
 
/** @}
 */
 

Rev 3439	Rev 3442
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 trace	29	/** @addtogroup trace
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	static int task_connect(task_id_t task_id)	71	static int task_connect(task_id_t task_id)
72	{	72	{
73	int rc;	73	int rc;
74		74
75	printf("ipc_connect_task(%lld)... ", task_id);	-
76	rc = ipc_connect_kbox(task_id);	75	rc = ipc_connect_kbox(task_id);
77	printf("-> %d\n", rc);	-
78		76
79	if (rc == ENOTSUP) {	77	if (rc == ENOTSUP) {
80	printf("You do not have userspace debugging support "	78	printf("You do not have userspace debugging support "
81	"compiled in the kernel.\n");	79	"compiled in the kernel.\n");
82	printf("Compile kernel with 'Support for userspace debuggers' "	80	printf("Compile kernel with 'Support for userspace debuggers' "
83	"(CONFIG_UDEBUG) enabled.\n");	81	"(CONFIG_UDEBUG) enabled.\n");
-		82	return rc;
-		83	}
-		84
-		85	if (rc < 0) {
-		86	printf("Error connecting\n");
-		87	printf("ipc_connect_task(%lld) -> %d ", task_id, rc);
-		88	return rc;
84	}	89	}
85		90
86	phoneid = rc;	91	phoneid = rc;
87	if (rc < 0) return rc;	-
88		92
89	printf("udebug_begin()... ");	-
90	rc = udebug_begin(phoneid);	93	rc = udebug_begin(phoneid);
-		94	if (rc < 0) {
91	printf("-> %d\n", rc);	95	printf("udebug_begin() -> %d\n", rc);
92	if (rc < 0) return rc;	96	return rc;
-		97	}
93		98
94	printf("udebug_set_evmask(0x%x)... ", UDEBUG_EM_ALL);	-
95	rc = udebug_set_evmask(phoneid, UDEBUG_EM_ALL);	99	rc = udebug_set_evmask(phoneid, UDEBUG_EM_ALL);
96	printf("-> %d\n", rc);	100	if (rc < 0) {
-		101	printf("udebug_set_evmask(0x%x) -> %d\n ", UDEBUG_EM_ALL, rc);
97	if (rc < 0) return rc;	102	return rc;
-		103	}
98		104
99	return 0;	105	return 0;
100	}	106	}
101		107
102	static int get_thread_list(void)	108	static int get_thread_list(void)
103	{	109	{
104	int rc;	110	int rc;
105	size_t tb_copied;	111	size_t tb_copied;
106	size_t tb_needed;	112	size_t tb_needed;
107	int i;	113	int i;
108		114
109	printf("send IPC_M_DEBUG_THREAD_READ message\n");	-
110	rc = udebug_thread_read(phoneid, thread_hash_buf,	115	rc = udebug_thread_read(phoneid, thread_hash_buf,
111	THBUF_SIZE*sizeof(unsigned), &tb_copied, &tb_needed);	116	THBUF_SIZE*sizeof(unsigned), &tb_copied, &tb_needed);
-		117	if (rc < 0) {
112	printf("-> %d\n", rc);	118	printf("udebug_thread_read() -> %d\n", rc);
113	if (rc < 0) return rc;	119	return rc;
-		120	}
114		121
115	n_threads = tb_copied / sizeof(unsigned);	122	n_threads = tb_copied / sizeof(unsigned);
116		123
117	printf("thread IDs:");	124	printf("Threads:");
118	for (i=0; i<n_threads; i++) {	125	for (i = 0; i < n_threads; i++) {
119	printf(" %u", thread_hash_buf[i]);	126	printf(" [%d] (hash 0x%u)", 1+i, thread_hash_buf[i]);
120	}	127	}
121	printf("\ntotal of %u threads\n", tb_needed/sizeof(unsigned));	128	printf("\ntotal of %u threads\n", tb_needed/sizeof(unsigned));
122		129
123	return 0;	130	return 0;
124	}	131	}
125		132
126	static void print_sc_retval(int retval, rv_type_t rv_type)	133	static void print_sc_retval(int retval, rv_type_t rv_type)
127	{	134	{
128	printf (" -> ");	135	printf (" -> ");
129	if (rv_type == RV_INTEGER) {	136	if (rv_type == RV_INTEGER) {
130	printf("%d", retval);	137	printf("%d", retval);
131	} else if (rv_type == RV_HASH) {	138	} else if (rv_type == RV_HASH) {
132	printf("0x%08x", retval);	139	printf("0x%08x", retval);
133	} else if (rv_type == RV_ERRNO) {	140	} else if (rv_type == RV_ERRNO) {
134	if (retval >= -15 && retval <= 0) {	141	if (retval >= -15 && retval <= 0) {
135	printf("%d %s (%s)", retval,	142	printf("%d %s (%s)", retval,
136	err_desc[retval].name,	143	err_desc[retval].name,
137	err_desc[retval].desc);	144	err_desc[retval].desc);
138	} else {	145	} else {
139	printf("%d", retval);	146	printf("%d", retval);
140	}	147	}
141	} else if (rv_type == RV_INT_ERRNO) {	148	} else if (rv_type == RV_INT_ERRNO) {
142	if (retval >= -15 && retval < 0) {	149	if (retval >= -15 && retval < 0) {
143	printf("%d %s (%s)", retval,	150	printf("%d %s (%s)", retval,
144	err_desc[retval].name,	151	err_desc[retval].name,
145	err_desc[retval].desc);	152	err_desc[retval].desc);
146	} else {	153	} else {
147	printf("%d", retval);	154	printf("%d", retval);
148	}	155	}
149	}	156	}
150	putchar('\n');	157	putchar('\n');
151	}	158	}
152		159
153	static void print_sc_args(unsigned *sc_args, int n)	160	static void print_sc_args(unsigned *sc_args, int n)
154	{	161	{
155	int i;	162	int i;
156		163
157	putchar('(');	164	putchar('(');
158	if (n > 0) printf("%d", sc_args[0]);	165	if (n > 0) printf("%d", sc_args[0]);
159	for (i=1; i<n; i++) {	166	for (i=1; i<n; i++) {
160	printf(", %d", sc_args[i]);	167	printf(", %d", sc_args[i]);
161	}	168	}
162	putchar(')');	169	putchar(')');
163	}	170	}
164		171
165	static void sc_ipc_call_async_fast(unsigned *sc_args, int sc_rc)	172	static void sc_ipc_call_async_fast(unsigned *sc_args, int sc_rc)
166	{	173	{
167	ipc_call_t call;	174	ipc_call_t call;
168	int phoneid;	175	int phoneid;
169		176
170	if (sc_rc == IPC_CALLRET_FATAL \|\| sc_rc == IPC_CALLRET_TEMPORARY)	177	if (sc_rc == IPC_CALLRET_FATAL \|\| sc_rc == IPC_CALLRET_TEMPORARY)
171	return;	178	return;
172		179
173	phoneid = sc_args[0];	180	phoneid = sc_args[0];
174		181
175	IPC_SET_METHOD(call, sc_args[1]);	182	IPC_SET_METHOD(call, sc_args[1]);
176	IPC_SET_ARG1(call, sc_args[2]);	183	IPC_SET_ARG1(call, sc_args[2]);
177	IPC_SET_ARG2(call, sc_args[3]);	184	IPC_SET_ARG2(call, sc_args[3]);
178	IPC_SET_ARG3(call, sc_args[4]);	185	IPC_SET_ARG3(call, sc_args[4]);
179	IPC_SET_ARG4(call, sc_args[5]);	186	IPC_SET_ARG4(call, sc_args[5]);
180	IPC_SET_ARG5(call, 0);	187	IPC_SET_ARG5(call, 0);
181		188
182	ipcp_call_out(phoneid, &call, sc_rc);	189	ipcp_call_out(phoneid, &call, sc_rc);
183	}	190	}
184		191
185	static void sc_ipc_call_async_slow(unsigned *sc_args, int sc_rc)	192	static void sc_ipc_call_async_slow(unsigned *sc_args, int sc_rc)
186	{	193	{
187	ipc_call_t call;	194	ipc_call_t call;
188	int rc;	195	int rc;
189		196
190	if (sc_rc == IPC_CALLRET_FATAL \|\| sc_rc == IPC_CALLRET_TEMPORARY)	197	if (sc_rc == IPC_CALLRET_FATAL \|\| sc_rc == IPC_CALLRET_TEMPORARY)
191	return;	198	return;
192		199
193	memset(&call, 0, sizeof(call));	200	memset(&call, 0, sizeof(call));
194	rc = udebug_mem_read(phoneid, &call.args, sc_args[1], sizeof(call.args));	201	rc = udebug_mem_read(phoneid, &call.args, sc_args[1], sizeof(call.args));
195		202
196	if (rc >= 0) {	203	if (rc >= 0) {
197	ipcp_call_out(sc_args[0], &call, sc_rc);	204	ipcp_call_out(sc_args[0], &call, sc_rc);
198	}	205	}
199	}	206	}
200		207
201	static void sc_ipc_call_sync_fast(unsigned *sc_args)	208	static void sc_ipc_call_sync_fast(unsigned *sc_args)
202	{	209	{
203	ipc_call_t question, reply;	210	ipc_call_t question, reply;
204	int rc;	211	int rc;
205	int phoneidx;	212	int phoneidx;
206		213
207	// printf("sc_ipc_call_sync_fast()\n");	214	// printf("sc_ipc_call_sync_fast()\n");
208	phoneidx = sc_args[0];	215	phoneidx = sc_args[0];
209		216
210	IPC_SET_METHOD(question, sc_args[1]);	217	IPC_SET_METHOD(question, sc_args[1]);
211	IPC_SET_ARG1(question, sc_args[2]);	218	IPC_SET_ARG1(question, sc_args[2]);
212	IPC_SET_ARG2(question, sc_args[3]);	219	IPC_SET_ARG2(question, sc_args[3]);
213	IPC_SET_ARG3(question, sc_args[4]);	220	IPC_SET_ARG3(question, sc_args[4]);
214	IPC_SET_ARG4(question, 0);	221	IPC_SET_ARG4(question, 0);
215	IPC_SET_ARG5(question, 0);	222	IPC_SET_ARG5(question, 0);
216		223
217	// printf("memset\n");	224	// printf("memset\n");
218	memset(&reply, 0, sizeof(reply));	225	memset(&reply, 0, sizeof(reply));
219	// printf("udebug_mem_read(phone=%d, buffer_ptr=%u, src_addr=%d, n=%d\n",	226	// printf("udebug_mem_read(phone=%d, buffer_ptr=%u, src_addr=%d, n=%d\n",
220	// phoneid, &reply.args, sc_args[5], sizeof(reply.args));	227	// phoneid, &reply.args, sc_args[5], sizeof(reply.args));
221	rc = udebug_mem_read(phoneid, &reply.args, sc_args[5], sizeof(reply.args));	228	rc = udebug_mem_read(phoneid, &reply.args, sc_args[5], sizeof(reply.args));
222	// printf("dmr->%d\n", rc);	229	// printf("dmr->%d\n", rc);
223	if (rc < 0) return;	230	if (rc < 0) return;
224		231
225	// printf("call ipc_call_sync\n");	232	// printf("call ipc_call_sync\n");
226	ipcp_call_sync(phoneidx, &question, &reply);	233	ipcp_call_sync(phoneidx, &question, &reply);
227	}	234	}
228		235
229	static void sc_ipc_call_sync_slow(unsigned *sc_args)	236	static void sc_ipc_call_sync_slow(unsigned *sc_args)
230	{	237	{
231	ipc_call_t question, reply;	238	ipc_call_t question, reply;
232	int rc;	239	int rc;
233		240
234	memset(&question, 0, sizeof(question));	241	memset(&question, 0, sizeof(question));
235	rc = udebug_mem_read(phoneid, &question.args, sc_args[1], sizeof(question.args));	242	rc = udebug_mem_read(phoneid, &question.args, sc_args[1], sizeof(question.args));
236	printf("dmr->%d\n", rc);	243	printf("dmr->%d\n", rc);
237	if (rc < 0) return;	244	if (rc < 0) return;
238		245
239	memset(&reply, 0, sizeof(reply));	246	memset(&reply, 0, sizeof(reply));
240	rc = udebug_mem_read(phoneid, &reply.args, sc_args[2], sizeof(reply.args));	247	rc = udebug_mem_read(phoneid, &reply.args, sc_args[2], sizeof(reply.args));
241	printf("dmr->%d\n", rc);	248	printf("dmr->%d\n", rc);
242	if (rc < 0) return;	249	if (rc < 0) return;
243		250
244	ipcp_call_sync(sc_args[0], &question, &reply);	251	ipcp_call_sync(sc_args[0], &question, &reply);
245	}	252	}
246		253
247	static void sc_ipc_wait(unsigned *sc_args, int sc_rc)	254	static void sc_ipc_wait(unsigned *sc_args, int sc_rc)
248	{	255	{
249	ipc_call_t call;	256	ipc_call_t call;
250	int rc;	257	int rc;
251		258
252	if (sc_rc == 0) return;	259	if (sc_rc == 0) return;
253		260
254	memset(&call, 0, sizeof(call));	261	memset(&call, 0, sizeof(call));
255	rc = udebug_mem_read(phoneid, &call, sc_args[0], sizeof(call));	262	rc = udebug_mem_read(phoneid, &call, sc_args[0], sizeof(call));
256	// printf("udebug_mem_read(phone %d, dest %d, app-mem src %d, size %d -> %d\n",	263	// printf("udebug_mem_read(phone %d, dest %d, app-mem src %d, size %d -> %d\n",
257	// phoneid, (int)&call, sc_args[0], sizeof(call), rc);	264	// phoneid, (int)&call, sc_args[0], sizeof(call), rc);
258		265
259	if (rc >= 0) {	266	if (rc >= 0) {
260	ipcp_call_in(&call, sc_rc);	267	ipcp_call_in(&call, sc_rc);
261	}	268	}
262	}	269	}
263		270
264	static void event_syscall_b(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc)	271	static void event_syscall_b(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc)
265	{	272	{
266	unsigned sc_args[6];	273	unsigned sc_args[6];
267	int rc;	274	int rc;
268		275
269	/* Read syscall arguments */	276	/* Read syscall arguments */
270	rc = udebug_args_read(phoneid, thread_hash, sc_args);	277	rc = udebug_args_read(phoneid, thread_hash, sc_args);
271		278
272	async_serialize_start();	279	async_serialize_start();
273		280
274	// printf("[%d] ", thread_id);	281	// printf("[%d] ", thread_id);
275		282
276	if (rc < 0) {	283	if (rc < 0) {
277	printf("error\n");	284	printf("error\n");
278	async_serialize_end();	285	async_serialize_end();
279	return;	286	return;
280	}	287	}
281		288
282	/* Print syscall name, id and arguments */	289	/* Print syscall name, id and arguments */
283	printf("%s", syscall_desc[sc_id].name);	290	printf("%s", syscall_desc[sc_id].name);
284	print_sc_args(sc_args, syscall_desc[sc_id].n_args);	291	print_sc_args(sc_args, syscall_desc[sc_id].n_args);
285		292
286	async_serialize_end();	293	async_serialize_end();
287	}	294	}
288		295
289	static void event_syscall_e(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc)	296	static void event_syscall_e(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc)
290	{	297	{
291	unsigned sc_args[6];	298	unsigned sc_args[6];
292	int rv_type;	299	int rv_type;
293	int rc;	300	int rc;
294		301
295	/* Read syscall arguments */	302	/* Read syscall arguments */
296	rc = udebug_args_read(phoneid, thread_hash, sc_args);	303	rc = udebug_args_read(phoneid, thread_hash, sc_args);
297		304
298	async_serialize_start();	305	async_serialize_start();
299		306
300	// printf("[%d] ", thread_id);	307	// printf("[%d] ", thread_id);
301		308
302	if (rc < 0) {	309	if (rc < 0) {
303	printf("error\n");	310	printf("error\n");
304	async_serialize_end();	311	async_serialize_end();
305	return;	312	return;
306	}	313	}
307		314
308	rv_type = syscall_desc[sc_id].rv_type;	315	rv_type = syscall_desc[sc_id].rv_type;
309	print_sc_retval(sc_rc, rv_type);	316	print_sc_retval(sc_rc, rv_type);
310		317
311	switch (sc_id) {	318	switch (sc_id) {
312	case SYS_IPC_CALL_ASYNC_FAST:	319	case SYS_IPC_CALL_ASYNC_FAST:
313	sc_ipc_call_async_fast(sc_args, sc_rc);	320	sc_ipc_call_async_fast(sc_args, sc_rc);
314	break;	321	break;
315	case SYS_IPC_CALL_ASYNC_SLOW:	322	case SYS_IPC_CALL_ASYNC_SLOW:
316	sc_ipc_call_async_slow(sc_args, sc_rc);	323	sc_ipc_call_async_slow(sc_args, sc_rc);
317	break;	324	break;
318	case SYS_IPC_CALL_SYNC_FAST:	325	case SYS_IPC_CALL_SYNC_FAST:
319	sc_ipc_call_sync_fast(sc_args);	326	sc_ipc_call_sync_fast(sc_args);
320	break;	327	break;
321	case SYS_IPC_CALL_SYNC_SLOW:	328	case SYS_IPC_CALL_SYNC_SLOW:
322	sc_ipc_call_sync_slow(sc_args);	329	sc_ipc_call_sync_slow(sc_args);
323	break;	330	break;
324	case SYS_IPC_WAIT:	331	case SYS_IPC_WAIT:
325	sc_ipc_wait(sc_args, sc_rc);	332	sc_ipc_wait(sc_args, sc_rc);
326	break;	333	break;
327	default:	334	default:
328	break;	335	break;
329	}	336	}
330		337
331	async_serialize_end();	338	async_serialize_end();
332	}	339	}
333		340
334	static void event_thread_b(unsigned hash)	341	static void event_thread_b(unsigned hash)
335	{	342	{
336	async_serialize_start();	343	async_serialize_start();
337	printf("new thread, hash 0x%x\n", hash);	344	printf("New thread, hash 0x%x\n", hash);
338	async_serialize_end();	345	async_serialize_end();
339		346
340	thread_trace_start(hash);	347	thread_trace_start(hash);
341	}	348	}
342		349
343	static int trace_loop(void *thread_hash_arg)	350	static int trace_loop(void *thread_hash_arg)
344	{	351	{
345	int rc;	352	int rc;
346	unsigned ev_type;	353	unsigned ev_type;
347	unsigned thread_hash;	354	unsigned thread_hash;
348	unsigned thread_id;	355	unsigned thread_id;
349	unsigned val0, val1;	356	unsigned val0, val1;
350		357
351	thread_hash = (unsigned)thread_hash_arg;	358	thread_hash = (unsigned)thread_hash_arg;
352	thread_id = next_thread_id++;	359	thread_id = next_thread_id++;
353		360
354	printf("trace_loop(%d)\n", thread_id);	361	printf("Start tracing thread [%d] (hash 0x%x)\n", thread_id, thread_hash);
355		362
356	while (!abort_trace) {	363	while (!abort_trace) {
357		364
358	/* Run thread until an event occurs */	365	/* Run thread until an event occurs */
359	rc = udebug_go(phoneid, thread_hash,	366	rc = udebug_go(phoneid, thread_hash,
360	&ev_type, &val0, &val1);	367	&ev_type, &val0, &val1);
361		368
362	// printf("rc = %d, ev_type=%d\n", rc, ev_type);	369	// printf("rc = %d, ev_type=%d\n", rc, ev_type);
363	if (ev_type == UDEBUG_EVENT_FINISHED) {	370	if (ev_type == UDEBUG_EVENT_FINISHED) {
364	printf("thread %u debugging finished\n", thread_id);	371	/* Done tracing this thread */
365	break;	372	break;
366	}	373	}
367		374
368	if (rc >= 0) {	375	if (rc >= 0) {
369	switch (ev_type) {	376	switch (ev_type) {
370	case UDEBUG_EVENT_SYSCALL_B:	377	case UDEBUG_EVENT_SYSCALL_B:
371	event_syscall_b(thread_id, thread_hash, val0, (int)val1);	378	event_syscall_b(thread_id, thread_hash, val0, (int)val1);
372	break;	379	break;
373	case UDEBUG_EVENT_SYSCALL_E:	380	case UDEBUG_EVENT_SYSCALL_E:
374	event_syscall_e(thread_id, thread_hash, val0, (int)val1);	381	event_syscall_e(thread_id, thread_hash, val0, (int)val1);
375	break;	382	break;
376	case UDEBUG_EVENT_STOP:	383	case UDEBUG_EVENT_STOP:
377	printf("stop event\n");	384	printf("Stop event\n");
378	printf("waiting for resume\n");	385	printf("Waiting for resume\n");
379	while (paused) {	386	while (paused) {
380	usleep(1000000);	387	usleep(1000000);
381	fibril_yield();	388	fibril_yield();
382	printf(".");	389	printf(".");
383	}	390	}
384	printf("resumed\n");	391	printf("Resumed\n");
385	break;	392	break;
386	case UDEBUG_EVENT_THREAD_B:	393	case UDEBUG_EVENT_THREAD_B:
387	event_thread_b(val0);	394	event_thread_b(val0);
388	break;	395	break;
389	case UDEBUG_EVENT_THREAD_E:	396	case UDEBUG_EVENT_THREAD_E:
390	printf("thread 0x%x exited\n", val0);	397	printf("Thread 0x%x exited\n", val0);
391	abort_trace = 1;	398	abort_trace = 1;
392	break;	399	break;
393	default:	400	default:
394	printf("unknown event type %d\n", ev_type);	401	printf("Unknown event type %d\n", ev_type);
395	break;	402	break;
396	}	403	}
397	}	404	}
398		405
399	}	406	}
400		407
401	printf("trace_loop(%d) exiting\n", thread_id);	408	printf("Finished tracing thread [%d]\n", thread_id);
402	return 0;	409	return 0;
403	}	410	}
404		411
405	void thread_trace_start(unsigned thread_hash)	412	void thread_trace_start(unsigned thread_hash)
406	{	413	{
407	fid_t fid;	414	fid_t fid;
408		415
409	thash = thread_hash;	416	thash = thread_hash;
410		417
411	fid = fibril_create(trace_loop, (void *)thread_hash);	418	fid = fibril_create(trace_loop, (void *)thread_hash);
412	if (fid == 0) {	419	if (fid == 0) {
413	printf("Warning: Failed creating fibril\n");	420	printf("Warning: Failed creating fibril\n");
414	}	421	}
415	fibril_add_ready(fid);	422	fibril_add_ready(fid);
416	}	423	}
417		424
418	static void trace_active_task(task_id_t task_id)	425	static void trace_active_task(task_id_t task_id)
419	{	426	{
420	int i;	427	int i;
421	int rc;	428	int rc;
422	int c;	429	int c;
423		430
424	printf("Syscall Tracer\n");	431	printf("Syscall Tracer\n");
425		432
426	rc = task_connect(task_id);	433	rc = task_connect(task_id);
427	if (rc < 0) {	434	if (rc < 0) {
428	printf("Failed to connect to task %lld\n", task_id);	435	printf("Failed to connect to task %lld\n", task_id);
429	return;	436	return;
430	}	437	}
431		438
432	printf("Connected to task %lld\n", task_id);	439	printf("Connected to task %lld\n", task_id);
433		440
434	ipcp_init();	441	ipcp_init();
-		442
-		443	/*
-		444	* User apps now typically have console on phone 3.
-		445	* (Phones 1 and 2 are used by the loader).
-		446	*/
435	ipcp_connection_set(1, 0, proto_console);	447	ipcp_connection_set(3, 0, proto_console);
436		448
437	rc = get_thread_list();	449	rc = get_thread_list();
438	if (rc < 0) {	450	if (rc < 0) {
439	printf("Failed to get thread list (error %d)\n", rc);	451	printf("Failed to get thread list (error %d)\n", rc);
440	return;	452	return;
441	}	453	}
442		454
443	abort_trace = 0;	455	abort_trace = 0;
444		456
445	for (i = 0; i < n_threads; i++) {	457	for (i = 0; i < n_threads; i++) {
446	thread_trace_start(thread_hash_buf[i]);	458	thread_trace_start(thread_hash_buf[i]);
447	}	459	}
448		460
449	while(1) {	461	while(1) {
450	c = getchar();	462	c = getchar();
451	if (c == 'q') break;	463	if (c == 'q') break;
452	if (c == 'p') {	464	if (c == 'p') {
453	paused = 1;	465	paused = 1;
454	rc = udebug_stop(phoneid, thash);	466	rc = udebug_stop(phoneid, thash);
455	printf("stop -> %d\n", rc);	467	printf("stop -> %d\n", rc);
456	}	468	}
457	if (c == 'r') {	469	if (c == 'r') {
458	paused = 0;	470	paused = 0;
459	}	471	}
460	}	472	}
461		473
462	printf("terminate debugging session...\n");	474	printf("\nTerminate debugging session...\n");
463	abort_trace = 1;	475	abort_trace = 1;
464	udebug_end(phoneid);	476	udebug_end(phoneid);
465	ipc_hangup(phoneid);	477	ipc_hangup(phoneid);
466		478
467	ipcp_cleanup();	479	ipcp_cleanup();
468		480
469	printf("done\n");	481	printf("Done\n");
470	return;	482	return;
471	}	483	}
472		484
473	static void main_init(void)	485	static void main_init(void)
474	{	486	{
475	proto_t *p;	487	proto_t *p;
476	oper_t *o;	488	oper_t *o;
477		489
478	next_thread_id = 1;	490	next_thread_id = 1;
479	paused = 0;	491	paused = 0;
480		492
481	proto_init();	493	proto_init();
482		494

Subversion Repositories HelenOS

(root)/branches/dd/uspace/app/trace/trace.c @ 4688 – Rev 3439 → 3442