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Re: [Qemu-devel] [PATCH] Command line support for altering the log file
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] [PATCH] Command line support for altering the log file location |
Date: |
Tue, 07 Jun 2011 10:49:43 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110428 Fedora/3.1.10-1.fc15 Thunderbird/3.1.10 |
Am 05.06.2011 02:46, schrieb Matthew Fernandez:
> So, to clarify, all text above the '----' is included as the commit
> message and the sign off line should be in this section. All text
> below the '----' before the first diff is treated as comments that are
> not to be committed. Is this correct? If so I'll send through an
> ammended patch with these changes.
Yes, this is correct.
Kevin
>
> On 4 June 2011 20:18, Blue Swirl <address@hidden> wrote:
>> On Tue, May 31, 2011 at 9:20 AM, Matthew Fernandez
>> <address@hidden> wrote:
>>> Hi,
>>>
>>> The included patch adds command line support for logging to a location
>>> other than /tmp/qemu.log. The diff is relative to commit
>>> 2eb9f241824d000fcd90bd7f4b49e40b88e62975. Please let me know if
>>> anything needs to be cleaned up or changed. Anthony, I'm not sure who
>>> should be responsible for reviewing/accepting this, but I've CCed you
>>> as it touches vl.c.
>>
>> The patch looks OK, however the above text (which git-am would use as
>> the commit message) needs to be changed. How about something like
>> this:
>> Add command line support for logging to a location other than /tmp/qemu.log.
>>
>> If you want to add comments which should not go to the commit message,
>> please put them below the line with '----'.
>>
>>> Thanks,
>>> Matthew
>>>
>>> ----
>>> Signed-off-by: Matthew Fernandez <address@hidden>
>>
>> Also this needs to be above the '----' line.
>>
>>>
>>> diff --git a/bsd-user/main.c b/bsd-user/main.c
>>> index 0c3fca1..0af8a7e 100644
>>> --- a/bsd-user/main.c
>>> +++ b/bsd-user/main.c
>>> @@ -690,7 +690,8 @@ static void usage(void)
>>> "-bsd type select emulated BSD type
>>> FreeBSD/NetBSD/OpenBSD (default)\n"
>>> "\n"
>>> "Debug options:\n"
>>> - "-d options activate log (logfile=%s)\n"
>>> + "-d options activate log (default logfile=%s)\n"
>>> + "-D logfile override default logfile location\n"
>>> "-p pagesize set the host page size to 'pagesize'\n"
>>> "-singlestep always run in singlestep mode\n"
>>> "-strace log system calls\n"
>>> @@ -731,6 +732,8 @@ int main(int argc, char **argv)
>>> {
>>> const char *filename;
>>> const char *cpu_model;
>>> + const char *log_file = DEBUG_LOGFILE;
>>> + const char *log_mask = NULL;
>>> struct target_pt_regs regs1, *regs = ®s1;
>>> struct image_info info1, *info = &info1;
>>> TaskState ts1, *ts = &ts1;
>>> @@ -745,9 +748,6 @@ int main(int argc, char **argv)
>>> if (argc <= 1)
>>> usage();
>>>
>>> - /* init debug */
>>> - cpu_set_log_filename(DEBUG_LOGFILE);
>>> -
>>> if ((envlist = envlist_create()) == NULL) {
>>> (void) fprintf(stderr, "Unable to allocate envlist\n");
>>> exit(1);
>>> @@ -775,22 +775,15 @@ int main(int argc, char **argv)
>>> if (!strcmp(r, "-")) {
>>> break;
>>> } else if (!strcmp(r, "d")) {
>>> - int mask;
>>> - const CPULogItem *item;
>>> -
>>> - if (optind >= argc)
>>> + if (optind >= argc) {
>>> break;
>>> -
>>> - r = argv[optind++];
>>> - mask = cpu_str_to_log_mask(r);
>>> - if (!mask) {
>>> - printf("Log items (comma separated):\n");
>>> - for(item = cpu_log_items; item->mask != 0; item++) {
>>> - printf("%-10s %s\n", item->name, item->help);
>>> - }
>>> - exit(1);
>>> }
>>> - cpu_set_log(mask);
>>> + log_mask = argv[optind++];
>>> + } else if (!strcmp(r, "D")) {
>>> + if (optind >= argc) {
>>> + break;
>>> + }
>>> + log_file = argv[optind++];
>>> } else if (!strcmp(r, "E")) {
>>> r = argv[optind++];
>>> if (envlist_setenv(envlist, r) != 0)
>>> @@ -867,6 +860,23 @@ int main(int argc, char **argv)
>>> usage();
>>> filename = argv[optind];
>>>
>>> + /* init debug */
>>> + cpu_set_log_filename(log_file);
>>> + if (log_mask) {
>>> + int mask;
>>> + const CPULogItem *item;
>>> +
>>> + mask = cpu_str_to_log_mask(r);
>>> + if (!mask) {
>>> + printf("Log items (comma separated):\n");
>>> + for (item = cpu_log_items; item->mask != 0; item++) {
>>> + printf("%-10s %s\n", item->name, item->help);
>>> + }
>>> + exit(1);
>>> + }
>>> + cpu_set_log(mask);
>>> + }
>>> +
>>> /* Zero out regs */
>>> memset(regs, 0, sizeof(struct target_pt_regs));
>>>
>>> diff --git a/cpus.c b/cpus.c
>>> index 1fc34b7..17e96b5 100644
>>> --- a/cpus.c
>>> +++ b/cpus.c
>>> @@ -1142,6 +1142,11 @@ void set_cpu_log(const char *optarg)
>>> cpu_set_log(mask);
>>> }
>>>
>>> +void set_cpu_log_filename(const char *optarg)
>>> +{
>>> + cpu_set_log_filename(optarg);
>>> +}
>>> +
>>> /* Return the virtual CPU time, based on the instruction counter. */
>>> int64_t cpu_get_icount(void)
>>> {
>>> diff --git a/cpus.h b/cpus.h
>>> index 6fdeb0d..f42b54e 100644
>>> --- a/cpus.h
>>> +++ b/cpus.h
>>> @@ -19,6 +19,7 @@ void vm_state_notify(int running, int reason);
>>> bool cpu_exec_all(void);
>>> void set_numa_modes(void);
>>> void set_cpu_log(const char *optarg);
>>> +void set_cpu_log_filename(const char *optarg);
>>> void list_cpus(FILE *f, fprintf_function cpu_fprintf, const char *optarg);
>>>
>>> #endif
>>> diff --git a/darwin-user/main.c b/darwin-user/main.c
>>> index 175e12f..a6dc859 100644
>>> --- a/darwin-user/main.c
>>> +++ b/darwin-user/main.c
>>> @@ -738,6 +738,8 @@ TaskState *first_task_state;
>>> int main(int argc, char **argv)
>>> {
>>> const char *filename;
>>> + const char *log_file = DEBUG_LOGFILE;
>>> + const char *log_mask = NULL;
>>> struct target_pt_regs regs1, *regs = ®s1;
>>> TaskState ts1, *ts = &ts1;
>>> CPUState *env;
>>> @@ -749,9 +751,6 @@ int main(int argc, char **argv)
>>> if (argc <= 1)
>>> usage();
>>>
>>> - /* init debug */
>>> - cpu_set_log_filename(DEBUG_LOGFILE);
>>> -
>>> optind = 1;
>>> for(;;) {
>>> if (optind >= argc)
>>> @@ -764,22 +763,15 @@ int main(int argc, char **argv)
>>> if (!strcmp(r, "-")) {
>>> break;
>>> } else if (!strcmp(r, "d")) {
>>> - int mask;
>>> - CPULogItem *item;
>>> -
>>> - if (optind >= argc)
>>> - break;
>>> -
>>> - r = argv[optind++];
>>> - mask = cpu_str_to_log_mask(r);
>>> - if (!mask) {
>>> - printf("Log items (comma separated):\n");
>>> - for(item = cpu_log_items; item->mask != 0; item++) {
>>> - printf("%-10s %s\n", item->name, item->help);
>>> - }
>>> - exit(1);
>>> + if (optind >= argc) {
>>> + break;
>>> }
>>> - cpu_set_log(mask);
>>> + log_mask = argv[optind++];
>>> + } else if (!strcmp(r, "D")) {
>>> + if (optind >= argc) {
>>> + break;
>>> + }
>>> + log_file = argv[optind++];
>>> } else if (!strcmp(r, "s")) {
>>> r = argv[optind++];
>>> stack_size = strtol(r, (char **)&r, 0);
>>> @@ -821,6 +813,23 @@ int main(int argc, char **argv)
>>> usage();
>>> filename = argv[optind];
>>>
>>> + /* init debug */
>>> + cpu_set_log_filename(log_file);
>>> + if (log_mask) {
>>> + int mask;
>>> + CPULogItem *item;
>>> +
>>> + mask = cpu_str_to_log_mask(r);
>>> + if (!mask) {
>>> + printf("Log items (comma separated):\n");
>>> + for (item = cpu_log_items; item->mask != 0; item++) {
>>> + printf("%-10s %s\n", item->name, item->help);
>>> + }
>>> + exit(1);
>>> + }
>>> + cpu_set_log(mask);
>>> + }
>>> +
>>> /* Zero out regs */
>>> memset(regs, 0, sizeof(struct target_pt_regs));
>>>
>>> diff --git a/linux-user/main.c b/linux-user/main.c
>>> index 088def3..23c229c 100644
>>> --- a/linux-user/main.c
>>> +++ b/linux-user/main.c
>>> @@ -2848,6 +2848,8 @@ int main(int argc, char **argv, char **envp)
>>> {
>>> const char *filename;
>>> const char *cpu_model;
>>> + const char *log_file = DEBUG_LOGFILE;
>>> + const char *log_mask = NULL;
>>> struct target_pt_regs regs1, *regs = ®s1;
>>> struct image_info info1, *info = &info1;
>>> struct linux_binprm bprm;
>>> @@ -2869,9 +2871,6 @@ int main(int argc, char **argv, char **envp)
>>>
>>> qemu_cache_utils_init(envp);
>>>
>>> - /* init debug */
>>> - cpu_set_log_filename(DEBUG_LOGFILE);
>>> -
>>> if ((envlist = envlist_create()) == NULL) {
>>> (void) fprintf(stderr, "Unable to allocate envlist\n");
>>> exit(1);
>>> @@ -2910,22 +2909,15 @@ int main(int argc, char **argv, char **envp)
>>> if (!strcmp(r, "-")) {
>>> break;
>>> } else if (!strcmp(r, "d")) {
>>> - int mask;
>>> - const CPULogItem *item;
>>> -
>>> - if (optind >= argc)
>>> + if (optind >= argc) {
>>> break;
>>> -
>>> - r = argv[optind++];
>>> - mask = cpu_str_to_log_mask(r);
>>> - if (!mask) {
>>> - printf("Log items (comma separated):\n");
>>> - for(item = cpu_log_items; item->mask != 0; item++) {
>>> - printf("%-10s %s\n", item->name, item->help);
>>> - }
>>> - exit(1);
>>> }
>>> - cpu_set_log(mask);
>>> + log_mask = argv[optind++];
>>> + } else if (!strcmp(r, "D")) {
>>> + if (optind >= argc) {
>>> + break;
>>> + }
>>> + log_file = argv[optind++];
>>> } else if (!strcmp(r, "E")) {
>>> r = argv[optind++];
>>> if (envlist_setenv(envlist, r) != 0)
>>> @@ -3038,6 +3030,23 @@ int main(int argc, char **argv, char **envp)
>>> filename = argv[optind];
>>> exec_path = argv[optind];
>>>
>>> + /* init debug */
>>> + cpu_set_log_filename(log_file);
>>> + if (log_mask) {
>>> + int mask;
>>> + const CPULogItem *item;
>>> +
>>> + mask = cpu_str_to_log_mask(r);
>>> + if (!mask) {
>>> + printf("Log items (comma separated):\n");
>>> + for (item = cpu_log_items; item->mask != 0; item++) {
>>> + printf("%-10s %s\n", item->name, item->help);
>>> + }
>>> + exit(1);
>>> + }
>>> + cpu_set_log(mask);
>>> + }
>>> +
>>> /* Zero out regs */
>>> memset(regs, 0, sizeof(struct target_pt_regs));
>>>
>>> diff --git a/qemu-options.hx b/qemu-options.hx
>>> index 82e085a..05513e8 100644
>>> --- a/qemu-options.hx
>>> +++ b/qemu-options.hx
>>> @@ -1991,6 +1991,15 @@ STEXI
>>> Output log in /tmp/qemu.log
>>> ETEXI
>>>
>>> +DEF("D", HAS_ARG, QEMU_OPTION_D, \
>>> + "-D logfile output log to logfile (instead of the default
>>> /tmp/qemu.log)\n",
>>> + QEMU_ARCH_ALL)
>>> +STEXI
>>> address@hidden -D
>>> address@hidden -D
>>> +Output log in logfile instead of /tmp/qemu.log
>>> +ETEXI
>>> +
>>> DEF("hdachs", HAS_ARG, QEMU_OPTION_hdachs, \
>>> "-hdachs c,h,s[,t]\n" \
>>> " force hard disk 0 physical geometry and the
>>> optional BIOS\n" \
>>> diff --git a/vl.c b/vl.c
>>> index b362871..e459f64 100644
>>> --- a/vl.c
>>> +++ b/vl.c
>>> @@ -2060,6 +2060,8 @@ int main(int argc, char **argv, char **envp)
>>> #endif
>>> int defconfig = 1;
>>> const char *trace_file = NULL;
>>> + const char *log_mask = NULL;
>>> + const char *log_file = NULL;
>>>
>>> atexit(qemu_run_exit_notifiers);
>>> error_set_progname(argv[0]);
>>> @@ -2434,7 +2436,10 @@ int main(int argc, char **argv, char **envp)
>>> break;
>>> #endif
>>> case QEMU_OPTION_d:
>>> - set_cpu_log(optarg);
>>> + log_mask = optarg;
>>> + break;
>>> + case QEMU_OPTION_D:
>>> + log_file = optarg;
>>> break;
>>> case QEMU_OPTION_s:
>>> gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
>>> @@ -2900,6 +2905,18 @@ int main(int argc, char **argv, char **envp)
>>> }
>>> loc_set_none();
>>>
>>> + /* Open the logfile at this point, if necessary. We can't open the
>>> logfile
>>> + * when encountering either of the logging options (-d or -D) because
>>> the
>>> + * other one may be encountered later on the command line, changing the
>>> + * location or level of logging.
>>> + */
>>> + if (log_mask) {
>>> + if (log_file) {
>>> + set_cpu_log_filename(log_file);
>>> + }
>>> + set_cpu_log(log_mask);
>>> + }
>>> +
>>> if (!st_init(trace_file)) {
>>> fprintf(stderr, "warning: unable to initialize simple trace
>>> backend\n");
>>> }
>>>
>>>
>>
>
- Re: [Qemu-devel] [PATCH] Command line support for altering the log file location, Blue Swirl, 2011/06/04
- Re: [Qemu-devel] [PATCH] Command line support for altering the log file location, Matthew Fernandez, 2011/06/04
- Re: [Qemu-devel] [PATCH] Command line support for altering the log file location,
Kevin Wolf <=
- Re: [Qemu-devel] [PATCH] Command line support for altering the log file location, Matthew Fernandez, 2011/06/07
- Re: [Qemu-devel] [PATCH] Command line support for altering the log file location, Blue Swirl, 2011/06/15
- Re: [Qemu-devel] [PATCH] Command line support for altering the log file location, Edgar E. Iglesias, 2011/06/28
- Re: [Qemu-devel] [PATCH] Command line support for altering the log file location, Edgar E. Iglesias, 2011/06/28
- Re: [Qemu-devel] [PATCH] Command line support for altering the log file location, Matthew Fernandez, 2011/06/29