* On SPARC, the picture is further complicated because the compiler
* optimizes away tail-calls -- so the following frames are optimized away:
*
- * profile_fire
+ * profile_fire
* cyclic_expire
*
* This gives three frames. However, on DEBUG kernels, the cyclic_expire
#error Unknown architecture
#endif
-#define PROF_NAMELEN 15
+#define PROF_NAMELEN 15
-#define PROF_PROFILE 0
-#define PROF_TICK 1
-#define PROF_PREFIX_PROFILE "profile-"
-#define PROF_PREFIX_TICK "tick-"
+#define PROF_PROFILE 0
+#define PROF_TICK 1
+#define PROF_PREFIX_PROFILE "profile-"
+#define PROF_PREFIX_TICK "tick-"
typedef struct profile_probe {
- char prof_name[PROF_NAMELEN];
- dtrace_id_t prof_id;
- int prof_kind;
- hrtime_t prof_interval;
- cyclic_id_t prof_cyclic;
+ char prof_name[PROF_NAMELEN];
+ dtrace_id_t prof_id;
+ int prof_kind;
+ hrtime_t prof_interval;
+ cyclic_id_t prof_cyclic;
} profile_probe_t;
typedef struct profile_probe_percpu {
- hrtime_t profc_expected;
- hrtime_t profc_interval;
- profile_probe_t *profc_probe;
+ hrtime_t profc_expected;
+ hrtime_t profc_interval;
+ profile_probe_t *profc_probe;
} profile_probe_percpu_t;
-hrtime_t profile_interval_min = NANOSEC / 5000; /* 5000 hz */
-int profile_aframes = 0; /* override */
+hrtime_t profile_interval_min = NANOSEC / 5000; /* 5000 hz */
+int profile_aframes = 0; /* override */
static int profile_rates[] = {
- 97, 199, 499, 997, 1999,
- 4001, 4999, 0, 0, 0,
- 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0
+ 97, 199, 499, 997, 1999,
+ 4001, 4999, 0, 0, 0,
+ 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0
};
static int profile_ticks[] = {
- 1, 10, 100, 500, 1000,
- 5000, 0, 0, 0, 0,
- 0, 0, 0, 0, 0
+ 1, 10, 100, 500, 1000,
+ 5000, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0
};
/*
* this gets its value from PROFILE_MAX_DEFAULT or profile-max-probes if it's
* present in the profile.conf file.
*/
-#define PROFILE_MAX_DEFAULT 1000 /* default max. number of probes */
-static uint32_t profile_max; /* maximum number of profile probes */
-static uint32_t profile_total; /* current number of profile probes */
+#define PROFILE_MAX_DEFAULT 1000 /* default max. number of probes */
+static uint32_t profile_max; /* maximum number of profile probes */
+static uint32_t profile_total; /* current number of profile probes */
static void
profile_fire(void *arg)
if (NULL != kern_regs) {
/* Kernel was interrupted. */
- dtrace_probe(prof->prof_id, saved_state64(kern_regs)->isf.rip, 0x0, late, 0, 0);
-
+ dtrace_probe(prof->prof_id, saved_state64(kern_regs)->isf.rip, 0x0, late, 0, 0);
} else {
pal_register_cache_state(current_thread(), VALID);
/* Possibly a user interrupt */
if (NULL == tagged_regs) {
/* Too bad, so sad, no useful interrupt state. */
dtrace_probe(prof->prof_id, 0xcafebabe,
- 0x0, late, 0, 0); /* XXX_BOGUS also see profile_usermode() below. */
+ 0x0, late, 0, 0); /* XXX_BOGUS also see profile_usermode() below. */
} else if (is_saved_state64(tagged_regs)) {
x86_saved_state64_t *regs = saved_state64(tagged_regs);
if (arm_kern_regs->cpsr & 0xF) {
/* Kernel was interrupted. */
- dtrace_probe(prof->prof_id, arm_kern_regs->pc, 0x0, late, 0, 0);
+ dtrace_probe(prof->prof_id, arm_kern_regs->pc, 0x0, late, 0, 0);
} else {
/* Possibly a user interrupt */
arm_saved_state_t *arm_user_regs = (arm_saved_state_t *)find_user_regs(current_thread());
if (saved_state64(arm_kern_regs)->cpsr & 0xF) {
/* Kernel was interrupted. */
- dtrace_probe(prof->prof_id, saved_state64(arm_kern_regs)->pc, 0x0, late, 0, 0);
+ dtrace_probe(prof->prof_id, saved_state64(arm_kern_regs)->pc, 0x0, late, 0, 0);
} else {
/* Possibly a user interrupt */
arm_saved_state_t *arm_user_regs = (arm_saved_state_t *)find_user_regs(current_thread());
if (NULL != kern_regs) {
/* Kernel was interrupted. */
- dtrace_probe(prof->prof_id, saved_state64(kern_regs)->isf.rip, 0x0, 0, 0, 0);
+ dtrace_probe(prof->prof_id, saved_state64(kern_regs)->isf.rip, 0x0, 0, 0, 0);
} else {
pal_register_cache_state(current_thread(), VALID);
/* Possibly a user interrupt */
if (NULL == tagged_regs) {
/* Too bad, so sad, no useful interrupt state. */
dtrace_probe(prof->prof_id, 0xcafebabe,
- 0x0, 0, 0, 0); /* XXX_BOGUS also see profile_usermode() below. */
+ 0x0, 0, 0, 0); /* XXX_BOGUS also see profile_usermode() below. */
} else if (is_saved_state64(tagged_regs)) {
x86_saved_state64_t *regs = saved_state64(tagged_regs);
if (NULL != arm_kern_regs) {
/* Kernel was interrupted. */
- dtrace_probe(prof->prof_id, arm_kern_regs->pc, 0x0, 0, 0, 0);
+ dtrace_probe(prof->prof_id, arm_kern_regs->pc, 0x0, 0, 0, 0);
} else {
/* Possibly a user interrupt */
arm_saved_state_t *arm_user_regs = (arm_saved_state_t *)find_user_regs(current_thread());
if (NULL != arm_kern_regs) {
/* Kernel was interrupted. */
- dtrace_probe(prof->prof_id, saved_state64(arm_kern_regs)->pc, 0x0, 0, 0, 0);
+ dtrace_probe(prof->prof_id, saved_state64(arm_kern_regs)->pc, 0x0, 0, 0, 0);
} else {
/* Possibly a user interrupt */
arm_saved_state_t *arm_user_regs = (arm_saved_state_t *)find_user_regs(current_thread());
{
profile_probe_t *prof;
- if (interval < profile_interval_min)
+ if (interval < profile_interval_min) {
return;
+ }
- if (dtrace_probe_lookup(profile_id, NULL, NULL, name) != 0)
+ if (dtrace_probe_lookup(profile_id, NULL, NULL, name) != 0) {
return;
+ }
atomic_add_32(&profile_total, 1);
if (profile_total > profile_max) {
return;
}
- if (PROF_TICK == kind)
- prof = kmem_zalloc(sizeof (profile_probe_t), KM_SLEEP);
- else
- prof = kmem_zalloc(sizeof (profile_probe_t) + NCPU*sizeof(profile_probe_percpu_t), KM_SLEEP);
+ if (PROF_TICK == kind) {
+ prof = kmem_zalloc(sizeof(profile_probe_t), KM_SLEEP);
+ } else {
+ prof = kmem_zalloc(sizeof(profile_probe_t) + NCPU * sizeof(profile_probe_percpu_t), KM_SLEEP);
+ }
(void) strlcpy(prof->prof_name, name, sizeof(prof->prof_name));
prof->prof_interval = interval;
const char *name;
hrtime_t mult;
} suffixes[] = {
- { "ns", NANOSEC / NANOSEC },
- { "nsec", NANOSEC / NANOSEC },
- { "us", NANOSEC / MICROSEC },
- { "usec", NANOSEC / MICROSEC },
- { "ms", NANOSEC / MILLISEC },
- { "msec", NANOSEC / MILLISEC },
- { "s", NANOSEC / SEC },
- { "sec", NANOSEC / SEC },
- { "m", NANOSEC * (hrtime_t)60 },
- { "min", NANOSEC * (hrtime_t)60 },
- { "h", NANOSEC * (hrtime_t)(60 * 60) },
- { "hour", NANOSEC * (hrtime_t)(60 * 60) },
- { "d", NANOSEC * (hrtime_t)(24 * 60 * 60) },
- { "day", NANOSEC * (hrtime_t)(24 * 60 * 60) },
- { "hz", 0 },
+ { "ns", NANOSEC / NANOSEC },
+ { "nsec", NANOSEC / NANOSEC },
+ { "us", NANOSEC / MICROSEC },
+ { "usec", NANOSEC / MICROSEC },
+ { "ms", NANOSEC / MILLISEC },
+ { "msec", NANOSEC / MILLISEC },
+ { "s", NANOSEC / SEC },
+ { "sec", NANOSEC / SEC },
+ { "m", NANOSEC * (hrtime_t)60 },
+ { "min", NANOSEC * (hrtime_t)60 },
+ { "h", NANOSEC * (hrtime_t)(60 * 60) },
+ { "hour", NANOSEC * (hrtime_t)(60 * 60) },
+ { "d", NANOSEC * (hrtime_t)(24 * 60 * 60) },
+ { "day", NANOSEC * (hrtime_t)(24 * 60 * 60) },
+ { "hz", 0 },
{ NULL, 0 }
- };
+ };
if (desc == NULL) {
char n[PROF_NAMELEN];
/*
* If no description was provided, provide all of our probes.
*/
- for (i = 0; i < (int)(sizeof (profile_rates) / sizeof (int)); i++) {
- if ((rate = profile_rates[i]) == 0)
+ for (i = 0; i < (int)(sizeof(profile_rates) / sizeof(int)); i++) {
+ if ((rate = profile_rates[i]) == 0) {
continue;
+ }
(void) snprintf(n, PROF_NAMELEN, "%s%d",
PROF_PREFIX_PROFILE, rate);
profile_create(NANOSEC / rate, n, PROF_PROFILE);
}
- for (i = 0; i < (int)(sizeof (profile_ticks) / sizeof (int)); i++) {
- if ((rate = profile_ticks[i]) == 0)
+ for (i = 0; i < (int)(sizeof(profile_ticks) / sizeof(int)); i++) {
+ if ((rate = profile_ticks[i]) == 0) {
continue;
+ }
(void) snprintf(n, PROF_NAMELEN, "%s%d",
PROF_PREFIX_TICK, rate);
for (i = 0; types[i].prefix != NULL; i++) {
len = strlen(types[i].prefix);
- if (strncmp(name, types[i].prefix, len) != 0)
+ if (strncmp(name, types[i].prefix, len) != 0) {
continue;
+ }
break;
}
- if (types[i].prefix == NULL)
+ if (types[i].prefix == NULL) {
return;
+ }
kind = types[i].kind;
j = strlen(name) - len;
* We need to start before any time suffix.
*/
for (j = strlen(name); j >= len; j--) {
- if (name[j] >= '0' && name[j] <= '9')
+ if (name[j] >= '0' && name[j] <= '9') {
break;
+ }
suffix = &name[j];
}
* Now determine the numerical value present in the probe name.
*/
for (; j >= len; j--) {
- if (name[j] < '0' || name[j] > '9')
+ if (name[j] < '0' || name[j] > '9') {
return;
+ }
val += (name[j] - '0') * mult;
mult *= (hrtime_t)10;
}
- if (val == 0)
+ if (val == 0) {
return;
+ }
/*
* Look-up the suffix to determine the multiplier.
}
}
- if (suffixes[i].name == NULL && *suffix != '\0')
+ if (suffixes[i].name == NULL && *suffix != '\0') {
return;
+ }
if (mult == 0) {
/*
ASSERT(prof->prof_cyclic == CYCLIC_NONE);
- if (prof->prof_kind == PROF_TICK)
- kmem_free(prof, sizeof (profile_probe_t));
- else
- kmem_free(prof, sizeof (profile_probe_t) + NCPU*sizeof(profile_probe_percpu_t));
+ if (prof->prof_kind == PROF_TICK) {
+ kmem_free(prof, sizeof(profile_probe_t));
+ } else {
+ kmem_free(prof, sizeof(profile_probe_t) + NCPU * sizeof(profile_probe_percpu_t));
+ }
ASSERT(profile_total >= 1);
atomic_add_32(&profile_total, -1);
prof->prof_cyclic = (cyclic_id_t)cyclic_add_omni(&omni); /* cast puns cyclic_id_list_t with cyclic_id_t */
}
- return(0);
+ return 0;
}
/*ARGSUSED*/
profile_probe_t *prof = parg;
const char *argdesc = NULL;
switch (desc->dtargd_ndx) {
- case 0:
- argdesc = "void*";
- break;
- case 1:
- argdesc = "user_addr_t";
- break;
- case 2:
- if (prof->prof_kind == PROF_PROFILE) {
- argdesc = "hrtime_t";
- }
- break;
+ case 0:
+ argdesc = "void*";
+ break;
+ case 1:
+ argdesc = "user_addr_t";
+ break;
+ case 2:
+ if (prof->prof_kind == PROF_PROFILE) {
+ argdesc = "hrtime_t";
+ }
+ break;
}
if (argdesc) {
strlcpy(desc->dtargd_native, argdesc, DTRACE_ARGTYPELEN);
- }
- else {
+ } else {
desc->dtargd_ndx = DTRACE_ARGNONE;
}
}
}
static dtrace_pattr_t profile_attr = {
-{ DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON },
-{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_UNKNOWN },
-{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_UNKNOWN },
-{ DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON },
-{ DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON },
+ { DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON },
+ { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_UNKNOWN },
+ { DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_UNKNOWN },
+ { DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON },
+ { DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON },
};
static dtrace_pops_t profile_pops = {
- .dtps_provide = profile_provide,
- .dtps_provide_module = NULL,
- .dtps_enable = profile_enable,
- .dtps_disable = profile_disable,
- .dtps_suspend = NULL,
- .dtps_resume = NULL,
- .dtps_getargdesc = profile_getargdesc,
- .dtps_getargval = profile_getarg,
- .dtps_usermode = profile_usermode,
- .dtps_destroy = profile_destroy
+ .dtps_provide = profile_provide,
+ .dtps_provide_module = NULL,
+ .dtps_enable = profile_enable,
+ .dtps_disable = profile_disable,
+ .dtps_suspend = NULL,
+ .dtps_resume = NULL,
+ .dtps_getargdesc = profile_getargdesc,
+ .dtps_getargval = profile_getarg,
+ .dtps_usermode = profile_usermode,
+ .dtps_destroy = profile_destroy
};
static int
DTRACE_PRIV_KERNEL | DTRACE_PRIV_USER, NULL,
&profile_pops, NULL, &profile_id) != 0) {
ddi_remove_minor_node(devi, NULL);
- return (DDI_FAILURE);
+ return DDI_FAILURE;
}
profile_max = PROFILE_MAX_DEFAULT;
- return (DDI_SUCCESS);
+ return DDI_SUCCESS;
}
/*
case DDI_DETACH:
break;
case DDI_SUSPEND:
- return (DDI_SUCCESS);
+ return DDI_SUCCESS;
default:
- return (DDI_FAILURE);
+ return DDI_FAILURE;
}
- if (dtrace_unregister(profile_id) != 0)
- return (DDI_FAILURE);
+ if (dtrace_unregister(profile_id) != 0) {
+ return DDI_FAILURE;
+ }
ddi_remove_minor_node(devi, NULL);
- return (DDI_SUCCESS);
+ return DDI_SUCCESS;
}
#endif /* __APPLE__ */
d_open_t _profile_open;
-int _profile_open(dev_t dev, int flags, int devtype, struct proc *p)
+int
+_profile_open(dev_t dev, int flags, int devtype, struct proc *p)
{
#pragma unused(dev,flags,devtype,p)
return 0;
*/
static struct cdevsw profile_cdevsw =
{
- _profile_open, /* open */
- eno_opcl, /* close */
- eno_rdwrt, /* read */
- eno_rdwrt, /* write */
- eno_ioctl, /* ioctl */
+ _profile_open, /* open */
+ eno_opcl, /* close */
+ eno_rdwrt, /* read */
+ eno_rdwrt, /* write */
+ eno_ioctl, /* ioctl */
(stop_fcn_t *)nulldev, /* stop */
(reset_fcn_t *)nulldev, /* reset */
- NULL, /* tty's */
- eno_select, /* select */
- eno_mmap, /* mmap */
- eno_strat, /* strategy */
- eno_getc, /* getc */
- eno_putc, /* putc */
- 0 /* type */
+ NULL, /* tty's */
+ eno_select, /* select */
+ eno_mmap, /* mmap */
+ eno_strat, /* strategy */
+ eno_getc, /* getc */
+ eno_putc, /* putc */
+ 0 /* type */
};
-void profile_init( void )
+void
+profile_init( void )
{
int majdevno = cdevsw_add(PROFILE_MAJOR, &profile_cdevsw);
return;
}
- profile_attach( (dev_info_t*)(uintptr_t)majdevno);
+ profile_attach((dev_info_t*)(uintptr_t)majdevno);
}
#undef PROFILE_MAJOR
projects / apple / xnu.git / blobdiff