Port work-in-progress oprofile with Cortex-A9 support.
Change-Id: I26ecf3697c651dae31050081d6918ee5fc87915d
diff --git a/daemon/opd_events.c b/daemon/opd_events.c
index fa017e4..b544fb3 100644
--- a/daemon/opd_events.c
+++ b/daemon/opd_events.c
@@ -142,19 +142,8 @@
}
fprintf(stderr, "Unknown event for counter %lu\n", counter);
- /*
- * ANDROID FIXME - from time to time there seems to be 1 phantom event
- * reported from counter 3 when only counter 0 is enabled. Instead of
- * crashing the daemon and losing tons of useful samples, we just
- * charge the erroneous single count to the first event.
- */
-#ifdef ANDROID
- return &opd_events[0];
-#else
abort();
return NULL;
-
-#endif
}
diff --git a/daemon/opd_perfmon.c b/daemon/opd_perfmon.c
index a1b158a..97f307c 100644
--- a/daemon/opd_perfmon.c
+++ b/daemon/opd_perfmon.c
@@ -30,6 +30,8 @@
#include <stdlib.h>
#include <string.h>
#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
#ifdef HAVE_SCHED_SETAFFINITY
#include <sched.h>
#endif
@@ -98,7 +100,6 @@
static void perfmon_start_child(int ctx_fd)
{
if (perfmonctl(ctx_fd, PFM_START, 0, 0) == -1) {
- perror("Couldn't start perfmon: ");
exit(EXIT_FAILURE);
}
}
@@ -107,7 +108,6 @@
static void perfmon_stop_child(int ctx_fd)
{
if (perfmonctl(ctx_fd, PFM_STOP, 0, 0) == -1) {
- perror("Couldn't stop perfmon: ");
exit(EXIT_FAILURE);
}
}
@@ -141,7 +141,6 @@
static void child_sigterm(int val __attribute__((unused)))
{
- printf("Child received SIGTERM, killing parent.\n");
kill(getppid(), SIGTERM);
}
@@ -149,15 +148,15 @@
static void set_affinity(size_t cpu)
{
cpu_set_t set;
+ int err;
CPU_ZERO(&set);
CPU_SET(cpu, &set);
- int err = sched_setaffinity(getpid(), sizeof(set), &set);
+ err = sched_setaffinity(getpid(), sizeof(set), &set);
if (err == -1) {
- fprintf(stderr, "Failed to set affinity: %s\n",
- strerror(errno));
+ perror("Failed to set affinity");
exit(EXIT_FAILURE);
}
}
@@ -178,7 +177,7 @@
sigemptyset(&act.sa_mask);
if (sigaction(SIGUSR1, &act, NULL)) {
- perror("oprofiled: install of SIGUSR1 handler failed: ");
+ perror("oprofiled: install of SIGUSR1 handler failed");
exit(EXIT_FAILURE);
}
@@ -187,7 +186,7 @@
sigemptyset(&act.sa_mask);
if (sigaction(SIGUSR2, &act, NULL)) {
- perror("oprofiled: install of SIGUSR2 handler failed: ");
+ perror("oprofiled: install of SIGUSR2 handler failed");
exit(EXIT_FAILURE);
}
@@ -196,7 +195,7 @@
sigemptyset(&act.sa_mask);
if (sigaction(SIGTERM, &act, NULL)) {
- perror("oprofiled: install of SIGTERM handler failed: ");
+ perror("oprofiled: install of SIGTERM handler failed");
exit(EXIT_FAILURE);
}
}
@@ -214,8 +213,7 @@
err = perfmonctl(0, PFM_CREATE_CONTEXT, &ctx, 1);
if (err == -1) {
- fprintf(stderr, "CREATE_CONTEXT failed: %s\n",
- strerror(errno));
+ perror("CREATE_CONTEXT failed");
exit(EXIT_FAILURE);
}
@@ -268,13 +266,13 @@
err = perfmonctl(self->ctx_fd, PFM_WRITE_PMCS, pc, i);
if (err == -1) {
- perror("Couldn't write PMCs: ");
+ perror("Couldn't write PMCs");
exit(EXIT_FAILURE);
}
err = perfmonctl(self->ctx_fd, PFM_WRITE_PMDS, pd, i);
if (err == -1) {
- perror("Couldn't write PMDs: ");
+ perror("Couldn't write PMDs");
exit(EXIT_FAILURE);
}
}
@@ -290,7 +288,7 @@
err = perfmonctl(self->ctx_fd, PFM_LOAD_CONTEXT, &load_args, 1);
if (err == -1) {
- perror("Couldn't load context: ");
+ perror("Couldn't load context");
exit(EXIT_FAILURE);
}
}
@@ -304,13 +302,17 @@
if (ret == sizeof(size_t))
break;
if (ret < 0 && errno != EINTR) {
- fprintf(stderr, "Failed to write child pipe with %s\n",
- strerror(errno));
+ perror("Failed to write child pipe:");
exit(EXIT_FAILURE);
}
}
}
+static struct child * inner_child;
+void close_pipe(void)
+{
+ close(inner_child->up_pipe[1]);
+}
static void run_child(size_t cpu)
{
@@ -321,6 +323,19 @@
self->sigusr2 = 0;
self->sigterm = 0;
+ inner_child = self;
+ if (atexit(close_pipe)){
+ close_pipe();
+ exit(EXIT_FAILURE);
+ }
+
+ umask(0);
+ /* Change directory to allow directory to be removed */
+ if (chdir("/") < 0) {
+ perror("Unable to chdir to \"/\"");
+ exit(EXIT_FAILURE);
+ }
+
setup_signals();
set_affinity(cpu);
@@ -333,6 +348,11 @@
notify_parent(self, cpu);
+ /* Redirect standard files to /dev/null */
+ freopen( "/dev/null", "r", stdin);
+ freopen( "/dev/null", "w", stdout);
+ freopen( "/dev/null", "w", stderr);
+
for (;;) {
sigset_t sigmask;
sigfillset(&sigmask);
@@ -341,15 +361,11 @@
sigdelset(&sigmask, SIGTERM);
if (self->sigusr1) {
- printf("PFM_START on CPU%d\n", (int)cpu);
- fflush(stdout);
perfmon_start_child(self->ctx_fd);
self->sigusr1 = 0;
}
if (self->sigusr2) {
- printf("PFM_STOP on CPU%d\n", (int)cpu);
- fflush(stdout);
perfmon_stop_child(self->ctx_fd);
self->sigusr2 = 0;
}
@@ -367,9 +383,8 @@
ret = read(child->up_pipe[0], &tmp, sizeof(size_t));
if (ret == sizeof(size_t))
break;
- if (ret < 0 && errno != EINTR) {
- fprintf(stderr, "Failed to read child pipe with %s\n",
- strerror(errno));
+ if ((ret < 0 && errno != EINTR) || ret == 0 ) {
+ perror("Failed to read child pipe");
exit(EXIT_FAILURE);
}
}
@@ -377,7 +392,6 @@
fflush(stdout);
close(child->up_pipe[0]);
- close(child->up_pipe[1]);
}
static struct child* xen_ctx;
@@ -417,25 +431,26 @@
nr_cpus = nr;
children = xmalloc(sizeof(struct child) * nr_cpus);
+ bzero(children, sizeof(struct child) * nr_cpus);
for (i = 0; i < nr_cpus; ++i) {
int ret;
if (pipe(children[i].up_pipe)) {
- perror("Couldn't create child pipe.\n");
+ perror("Couldn't create child pipe");
exit(EXIT_FAILURE);
}
ret = fork();
if (ret == -1) {
- fprintf(stderr, "Couldn't fork perfmon child.\n");
+ perror("Couldn't fork perfmon child");
exit(EXIT_FAILURE);
} else if (ret == 0) {
- printf("Running perfmon child on CPU%d.\n", (int)i);
- fflush(stdout);
+ close(children[i].up_pipe[0]);
run_child(i);
} else {
children[i].pid = ret;
+ close(children[i].up_pipe[1]);
printf("Waiting on CPU%d\n", (int)i);
wait_for_child(&children[i]);
}
@@ -454,8 +469,12 @@
return;
for (i = 0; i < nr_cpus; ++i) {
- kill(children[i].pid, SIGKILL);
- waitpid(children[i].pid, NULL, 0);
+ if (children[i].pid) {
+ int c_pid = children[i].pid;
+ children[i].pid = 0;
+ if (kill(c_pid, SIGKILL)==0)
+ waitpid(c_pid, NULL, 0);
+ }
}
}
@@ -472,8 +491,12 @@
return;
}
- for (i = 0; i < nr_cpus; ++i)
- kill(children[i].pid, SIGUSR1);
+ for (i = 0; i < nr_cpus; ++i) {
+ if (kill(children[i].pid, SIGUSR1)) {
+ perror("Unable to start perfmon");
+ exit(EXIT_FAILURE);
+ }
+ }
}
@@ -490,7 +513,10 @@
}
for (i = 0; i < nr_cpus; ++i)
- kill(children[i].pid, SIGUSR2);
+ if (kill(children[i].pid, SIGUSR2)) {
+ perror("Unable to stop perfmon");
+ exit(EXIT_FAILURE);
+ }
}
#endif /* __ia64__ */
diff --git a/daemon/opd_pipe.c b/daemon/opd_pipe.c
index a5c334a..3c81979 100644
--- a/daemon/opd_pipe.c
+++ b/daemon/opd_pipe.c
@@ -22,6 +22,7 @@
#include <sys/stat.h>
static int fifo;
+static FILE * fifo_fd = NULL;
void opd_create_pipe(void)
{
@@ -48,6 +49,8 @@
void opd_close_pipe(void)
{
+ if (fifo_fd)
+ fclose(fifo_fd);
close(fifo);
}
@@ -58,14 +61,14 @@
static long nr_drops = 0;
/* modulus to output only a few warnings to avoid flooding oprofiled.log */
static int mod_cnt_drops = 1;
- FILE * fd;
char line[256];
int i, ret = 0;
/* get a file descriptor to the pipe */
- fd = fdopen(fifo, "r");
+ if (!fifo_fd)
+ fifo_fd = fdopen(fifo, "r");
- if (fd == NULL) {
+ if (fifo_fd == NULL) {
perror("oprofiled: couldn't create file descriptor: ");
exit(EXIT_FAILURE);
}
@@ -73,7 +76,7 @@
/* read up to 99 lines to check for 'do_jitconv' */
for (i = 0; i < 99; i++) {
/* just break if no new line is found */
- if (fgets(line, 256, fd) == NULL)
+ if (fgets(line, 256, fifo_fd) == NULL)
break;
line[strlen(line) - 1] = '\0';
diff --git a/libop/op_cpu_type.c b/libop/op_cpu_type.c
index e168b43..4633fd1 100644
--- a/libop/op_cpu_type.c
+++ b/libop/op_cpu_type.c
@@ -51,7 +51,7 @@
{ "MIPS 20K", "mips/20K", CPU_MIPS_20K, 1},
{ "MIPS 24K", "mips/24K", CPU_MIPS_24K, 2},
{ "MIPS 25K", "mips/25K", CPU_MIPS_25K, 2},
- { "MIPS 34K", "mips/34K", CPU_MIPS_34K, 4},
+ { "MIPS 34K", "mips/34K", CPU_MIPS_34K, 2},
{ "MIPS 5K", "mips/5K", CPU_MIPS_5K, 2},
{ "MIPS R10000", "mips/r10000", CPU_MIPS_R10000, 2 },
{ "MIPS R12000", "mips/r12000", CPU_MIPS_R12000, 4 },
@@ -70,18 +70,23 @@
{ "ppc64 Cell Broadband Engine", "ppc64/cell-be", CPU_PPC64_CELL, 8 },
{ "AMD64 family10", "x86-64/family10", CPU_FAMILY10, 4 },
{ "ppc64 PA6T", "ppc64/pa6t", CPU_PPC64_PA6T, 6 },
- { "ARM MPCore", "arm/mpcore", CPU_ARM_MPCORE, 2 },
+ { "ARM 11MPCore", "arm/mpcore", CPU_ARM_MPCORE, 2 },
{ "ARM V6 PMU", "arm/armv6", CPU_ARM_V6, 3 },
{ "ppc64 POWER5++", "ppc64/power5++", CPU_PPC64_POWER5pp, 6 },
{ "e300", "ppc/e300", CPU_PPC_E300, 4 },
{ "AVR32", "avr32", CPU_AVR32, 3 },
- { "ARM V7 PMNC", "arm/armv7", CPU_ARM_V7, 5 },
+ { "ARM Cortex-A8", "arm/armv7", CPU_ARM_V7, 5 },
{ "Intel Architectural Perfmon", "i386/arch_perfmon", CPU_ARCH_PERFMON, 0},
{ "AMD64 family11h", "x86-64/family11h", CPU_FAMILY11H, 4 },
{ "ppc64 POWER7", "ppc64/power7", CPU_PPC64_POWER7, 6 },
{ "ppc64 compat version 1", "ppc64/ibm-compat-v1", CPU_PPC64_IBM_COMPAT_V1, 4 },
{ "Intel Core/i7", "i386/core_i7", CPU_CORE_I7, 4 },
{ "Intel Atom", "i386/atom", CPU_ATOM, 2 },
+ { "Loongson2", "mips/loongson2", CPU_MIPS_LOONGSON2, 2 },
+ { "Intel Nehalem microarchitecture", "i386/nehalem", CPU_NEHALEM, 4 },
+ { "ARM Cortex-A9", "arm/armv7-ca9", CPU_ARM_V7_CA9, 7 },
+ { "MIPS 74K", "mips/74K", CPU_MIPS_74K, 4},
+ { "MIPS 1004K", "mips/1004K", CPU_MIPS_1004K, 2},
};
static size_t const nr_cpu_descrs = sizeof(cpu_descrs) / sizeof(struct cpu_descr);
diff --git a/libop/op_cpu_type.h b/libop/op_cpu_type.h
index 133a4f8..990e213 100644
--- a/libop/op_cpu_type.h
+++ b/libop/op_cpu_type.h
@@ -72,13 +72,18 @@
CPU_PPC64_POWER5pp, /**< ppc64 Power5++ family */
CPU_PPC_E300, /**< e300 */
CPU_AVR32, /**< AVR32 */
- CPU_ARM_V7, /**< ARM V7 */
+ CPU_ARM_V7, /**< ARM Cortex-A8 */
CPU_ARCH_PERFMON, /**< Intel architectural perfmon */
CPU_FAMILY11H, /**< AMD family 11h */
CPU_PPC64_POWER7, /**< ppc64 POWER7 family */
CPU_PPC64_IBM_COMPAT_V1, /**< IBM PPC64 processor compat mode version 1 */
CPU_CORE_I7, /* Intel Core i7, Nehalem */
CPU_ATOM, /* First generation Intel Atom */
+ CPU_MIPS_LOONGSON2, /* < loongson2 family */
+ CPU_NEHALEM, /* Intel Nehalem microarchitecture */
+ CPU_ARM_V7_CA9, /**< ARM Cortex-A9 */
+ CPU_MIPS_74K, /**< MIPS 74K */
+ CPU_MIPS_1004K, /**< MIPS 1004K */
MAX_CPU_TYPE
} op_cpu;
diff --git a/libop/op_events.c b/libop/op_events.c
index ad95d86..c3fcf57 100644
--- a/libop/op_events.c
+++ b/libop/op_events.c
@@ -970,6 +970,8 @@
case CPU_FAMILY11H:
case CPU_ATOM:
case CPU_CORE_I7:
+ case CPU_NEHALEM:
+ case CPU_MIPS_LOONGSON2:
descr->name = "CPU_CLK_UNHALTED";
break;
@@ -1005,6 +1007,7 @@
case CPU_ARM_MPCORE:
case CPU_ARM_V6:
case CPU_ARM_V7:
+ case CPU_ARM_V7_CA9:
case CPU_AVR32:
descr->name = "CPU_CYCLES";
break;
@@ -1029,10 +1032,9 @@
break;
case CPU_MIPS_24K:
- descr->name = "INSTRUCTIONS";
- break;
-
case CPU_MIPS_34K:
+ case CPU_MIPS_74K:
+ case CPU_MIPS_1004K:
descr->name = "INSTRUCTIONS";
break;
diff --git a/libop/op_hw_specific.h b/libop/op_hw_specific.h
index b1e3b4c..35080ad 100644
--- a/libop/op_hw_specific.h
+++ b/libop/op_hw_specific.h
@@ -20,8 +20,7 @@
char v[12];
} v;
unsigned eax;
- asm volatile( "pushl %%ebx; cpuid; movl %%ebx, %1; popl %%ebx"
- : "=a" (eax), "=S" (v.b), "=c" (v.c), "=d" (v.d) : "0" (0));
+ asm("cpuid" : "=a" (eax), "=b" (v.b), "=c" (v.c), "=d" (v.d) : "0" (0));
return !strncmp(v.v, vnd, 12);
}
@@ -47,8 +46,7 @@
if (!cpuid_vendor("GenuineIntel"))
return;
- asm volatile( "pushl %%ebx; cpuid; movl %%ebx, %1; popl %%ebx"
- : "=a" (v.eax) : "0" (1) : "ecx","edx");
+ asm("cpuid" : "=a" (v.eax) : "0" (1) : "ecx","ebx","edx");
model = (v.ext_model << 4) + v.model;
if (v.family != 6 || model != 26 || v.stepping > 4)
return;
@@ -59,8 +57,7 @@
{
if (cpu_type == CPU_ARCH_PERFMON) {
unsigned ebx, eax;
- asm volatile( "pushl %%ebx; cpuid; movl %%ebx, %1; popl %%ebx"
- : "=a" (eax), "=S" (ebx) : "0" (0xa) : "ecx","edx");
+ asm("cpuid" : "=a" (eax), "=b" (ebx) : "0" (0xa) : "ecx","edx");
workaround_nehalem_aaj79(&ebx);
return ebx & num_to_mask(eax >> 24);
}
@@ -71,8 +68,7 @@
{
if (cpu_type == CPU_ARCH_PERFMON) {
unsigned v;
- asm volatile( "pushl %%ebx; cpuid; movl %%eax, %1; popl %%ebx"
- : "=a" (v) : "0" (0xa) : "ecx","edx");
+ asm("cpuid" : "=a" (v) : "0" (0xa) : "ebx","ecx","edx");
return (v >> 8) & 0xff;
}
return -1;
@@ -81,8 +77,7 @@
static inline unsigned arch_get_counter_mask(void)
{
unsigned v;
- asm volatile( "pushl %%ebx; cpuid; movl %%ebx, %1; popl %%ebx"
- : "=a" (v) : "0" (0xa) : "ecx","edx");
+ asm("cpuid" : "=a" (v) : "0" (0xa) : "ebx","ecx","edx");
return num_to_mask((v >> 8) & 0xff);
}
diff --git a/libop/op_xml_events.c b/libop/op_xml_events.c
index 5b9ac7d..67fc0a5 100644
--- a/libop/op_xml_events.c
+++ b/libop/op_xml_events.c
@@ -16,38 +16,38 @@
#include "op_xml_out.h"
static op_cpu cpu_type;
-#define MAX_BUFFER 4096
+#define MAX_BUFFER 16384
+static char buffer[MAX_BUFFER];
+
void open_xml_events(char const * title, char const * doc, op_cpu the_cpu_type)
{
char const * schema_version = "1.0";
- char buffer[MAX_BUFFER];
buffer[0] = '\0';
cpu_type = the_cpu_type;
- open_xml_element(HELP_EVENTS, 0, buffer);
- open_xml_element(HELP_HEADER, 1, buffer);
- init_xml_str_attr(HELP_TITLE, title, buffer);
- init_xml_str_attr(SCHEMA_VERSION, schema_version, buffer);
- init_xml_str_attr(HELP_DOC, doc, buffer);
- close_xml_element(NONE, 0, buffer);
+ open_xml_element(HELP_EVENTS, 0, buffer, MAX_BUFFER);
+ open_xml_element(HELP_HEADER, 1, buffer, MAX_BUFFER);
+ init_xml_str_attr(HELP_TITLE, title, buffer, MAX_BUFFER);
+ init_xml_str_attr(SCHEMA_VERSION, schema_version, buffer, MAX_BUFFER);
+ init_xml_str_attr(HELP_DOC, doc, buffer, MAX_BUFFER);
+ close_xml_element(NONE, 0, buffer, MAX_BUFFER);
printf("%s", buffer);
}
void close_xml_events(void)
{
- char buffer[MAX_BUFFER];
-
buffer[0] = '\0';
- close_xml_element(HELP_EVENTS, 0, buffer);
+ close_xml_element(HELP_EVENTS, 0, buffer, MAX_BUFFER);
printf("%s", buffer);
}
-static void xml_do_arch_specific_event_help(struct op_event const * event,
- char * buffer)
+static void xml_do_arch_specific_event_help(struct op_event const *event,
+ char *buffer, size_t size)
{
switch (cpu_type) {
case CPU_PPC64_CELL:
- init_xml_int_attr(HELP_EVENT_GROUP, event->val / 100, buffer);
+ init_xml_int_attr(HELP_EVENT_GROUP, event->val / 100, buffer,
+ size);
break;
default:
break;
@@ -60,34 +60,41 @@
uint i;
int nr_counters;
int has_nested = strcmp(event->unit->name, "zero");
- char buffer[MAX_BUFFER];
buffer[0] = '\0';
- open_xml_element(HELP_EVENT, 1, buffer);
- init_xml_str_attr(HELP_EVENT_NAME, event->name, buffer);
- xml_do_arch_specific_event_help(event, buffer);
- init_xml_str_attr(HELP_EVENT_DESC, event->desc, buffer);
+ open_xml_element(HELP_EVENT, 1, buffer, MAX_BUFFER);
+ init_xml_str_attr(HELP_EVENT_NAME, event->name, buffer, MAX_BUFFER);
+ xml_do_arch_specific_event_help(event, buffer, MAX_BUFFER);
+ init_xml_str_attr(HELP_EVENT_DESC, event->desc, buffer, MAX_BUFFER);
nr_counters = op_get_nr_counters(cpu_type);
- init_xml_int_attr(HELP_COUNTER_MASK, event->counter_mask, buffer);
- init_xml_int_attr(HELP_MIN_COUNT, event->min_count, buffer);
+ init_xml_int_attr(HELP_COUNTER_MASK, event->counter_mask, buffer,
+ MAX_BUFFER);
+ if (event->ext)
+ init_xml_str_attr(HELP_EXT, event->ext, buffer, MAX_BUFFER);
+ init_xml_int_attr(HELP_MIN_COUNT, event->min_count,
+ buffer, MAX_BUFFER);
if (has_nested) {
- close_xml_element(NONE, 1, buffer);
- open_xml_element(HELP_UNIT_MASKS, 1, buffer);
- init_xml_int_attr(HELP_DEFAULT_MASK, event->unit->default_mask, buffer);
- close_xml_element(NONE, 1, buffer);
+ close_xml_element(NONE, 1, buffer, MAX_BUFFER);
+ open_xml_element(HELP_UNIT_MASKS, 1, buffer, MAX_BUFFER);
+ init_xml_int_attr(HELP_DEFAULT_MASK, event->unit->default_mask,
+ buffer, MAX_BUFFER);
+ close_xml_element(NONE, 1, buffer, MAX_BUFFER);
for (i = 0; i < event->unit->num; i++) {
- open_xml_element(HELP_UNIT_MASK, 1, buffer);
+ open_xml_element(HELP_UNIT_MASK, 1, buffer, MAX_BUFFER);
init_xml_int_attr(HELP_UNIT_MASK_VALUE,
- event->unit->um[i].value, buffer);
+ event->unit->um[i].value,
+ buffer, MAX_BUFFER);
init_xml_str_attr(HELP_UNIT_MASK_DESC,
- event->unit->um[i].desc, buffer);
- close_xml_element(NONE, 0, buffer);
+ event->unit->um[i].desc,
+ buffer, MAX_BUFFER);
+ close_xml_element(NONE, 0, buffer, MAX_BUFFER);
}
- close_xml_element(HELP_UNIT_MASKS, 0, buffer);
+ close_xml_element(HELP_UNIT_MASKS, 0, buffer, MAX_BUFFER);
}
- close_xml_element(has_nested ? HELP_EVENT : NONE, has_nested, buffer);
+ close_xml_element(has_nested ? HELP_EVENT : NONE, has_nested,
+ buffer, MAX_BUFFER);
printf("%s", buffer);
}
diff --git a/libop/op_xml_out.c b/libop/op_xml_out.c
index d779c45..b12919e 100644
--- a/libop/op_xml_out.c
+++ b/libop/op_xml_out.c
@@ -77,6 +77,7 @@
"desc",
"counter_mask",
"min_count",
+ "ext",
"unit_masks",
"default",
"unit_mask",
@@ -91,143 +92,176 @@
}
-void open_xml_element(tag_t tag, int with_attrs, char * buffer)
+void open_xml_element(tag_t tag, int with_attrs, char *buffer, size_t max)
{
- char const * tag_name = xml_tag_name(tag);
- unsigned int const max_len = strlen(tag_name) + 3;
- char tmp_buf[MAX_BUF_LEN];
+ char *buf;
+ int size, ret;
- if (max_len >= sizeof(tmp_buf))
- fprintf(stderr,"Warning: open_xml_element: buffer overflow %d\n", max_len);
+ buffer[max - 1] = '\0';
+ size = strlen(buffer);
+ buf = &buffer[size];
+ size = max - 1 - size;
- if (snprintf(tmp_buf, sizeof(tmp_buf), "<%s%s", tag_name,
- (with_attrs ? " " : ">\n")) < 0) {
+ ret = snprintf(buf, size, "<%s%s", xml_tag_name(tag),
+ (with_attrs ? " " : ">\n"));
+
+ if (ret < 0 || ret >= size) {
fprintf(stderr,"open_xml_element: snprintf failed\n");
exit(EXIT_FAILURE);
}
- strncat(buffer, tmp_buf, sizeof(tmp_buf));
}
-void close_xml_element(tag_t tag, int has_nested, char * buffer)
+void close_xml_element(tag_t tag, int has_nested, char *buffer, size_t max)
{
- char const * tag_name = xml_tag_name(tag);
- unsigned int const max_len = strlen(tag_name) + 3;
- char tmp_buf[MAX_BUF_LEN];
+ char *buf;
+ int size, ret;
- if (max_len >= sizeof(tmp_buf))
- fprintf(stderr,"Warning: close_xml_element: buffer overflow %d\n", max_len);
+ buffer[max - 1] = '\0';
+ size = strlen(buffer);
+ buf = &buffer[size];
+ size = max - 1 - size;
- if (tag == NONE) {
- if (snprintf(tmp_buf, sizeof(tmp_buf), "%s\n", (has_nested ? ">" : "/>")) < 0) {
- fprintf(stderr, "close_xml_element: snprintf failed\n");
- exit(EXIT_FAILURE);
- }
- } else {
- if (snprintf(tmp_buf, sizeof(tmp_buf), "</%s>\n", tag_name) < 0) {
- fprintf(stderr, "close_xml_element: snprintf failed\n");
- exit(EXIT_FAILURE);
- }
+ if (tag == NONE)
+ ret = snprintf(buf, size, "%s\n", (has_nested ? ">" : "/>"));
+ else
+ ret = snprintf(buf, size, "</%s>\n", xml_tag_name(tag));
+
+ if (ret < 0 || ret >= size) {
+ fprintf(stderr, "close_xml_element: snprintf failed\n");
+ exit(EXIT_FAILURE);
}
- strncat(buffer, tmp_buf, sizeof(tmp_buf));
}
-void init_xml_int_attr(tag_t attr, int value, char * buffer)
+void init_xml_int_attr(tag_t attr, int value, char *buffer, size_t max)
{
- char const * attr_name = xml_tag_name(attr);
- char tmp_buf[MAX_BUF_LEN];
- unsigned int const max_len = strlen(attr_name) + 50;
+ char *buf;
+ int size, ret;
- if (max_len >= sizeof(tmp_buf)) {
- fprintf(stderr,
- "Warning: init_xml_int_attr: buffer overflow %d\n", max_len);
- }
+ buffer[max - 1] = '\0';
+ size = strlen(buffer);
+ buf = &buffer[size];
+ size = max - 1 - size;
+ ret = snprintf(buf, size, " %s=\"%d\"", xml_tag_name(attr), value);
- if (snprintf(tmp_buf, sizeof(tmp_buf), " %s=\"%d\"", attr_name, value) < 0) {
+ if (ret < 0 || ret >= size) {
fprintf(stderr,"init_xml_int_attr: snprintf failed\n");
exit(EXIT_FAILURE);
}
- strncat(buffer, tmp_buf, sizeof(tmp_buf));
}
-void init_xml_dbl_attr(tag_t attr, double value, char * buffer)
+void init_xml_dbl_attr(tag_t attr, double value, char *buffer, size_t max)
{
- char const * attr_name = xml_tag_name(attr);
- unsigned int const max_len = strlen(attr_name) + 50;
- char tmp_buf[MAX_BUF_LEN];
+ char *buf;
+ int size, ret;
- if (max_len >= sizeof(tmp_buf))
- fprintf(stderr, "Warning: init_xml_dbl_attr: buffer overflow %d\n", max_len);
+ buffer[max - 1] = '\0';
+ size = strlen(buffer);
+ buf = &buffer[size];
+ size = max - 1 - size;
- if (snprintf(tmp_buf, sizeof(tmp_buf), " %s=\"%.2f\"", attr_name, value) < 0) {
+ ret = snprintf(buf, size, " %s=\"%.2f\"", xml_tag_name(attr), value);
+
+ if (ret < 0 || ret >= size) {
fprintf(stderr, "init_xml_dbl_attr: snprintf failed\n");
exit(EXIT_FAILURE);
}
- strncat(buffer, tmp_buf, sizeof(tmp_buf));
}
-static char * xml_quote(char const * str, char * quote_buf)
+static void xml_quote(char const *str, char *buffer, size_t max)
{
- int i;
- int pos = 0;
- int len = strlen(str);
+ char *buf;
+ char *quote;
+ char *pos = (char*)str;
+ size_t size;
+ int ret;
-
- quote_buf[pos++] = '"';
+ buffer[max - 1] = '\0';
+ size = strlen(buffer);
+ buf = &buffer[size];
+ size = max - 1 - size;
- for (i = 0; i < len; i++) {
- if (pos >= MAX_BUF_LEN - 10) {
- fprintf(stderr,"quote_str: buffer overflow %d\n", pos);
- exit(EXIT_FAILURE);
- }
+ if (size < strlen(pos) + 2)
+ goto Error;
- switch(str[i]) {
+ *buf = '"';
+ buf++;
+ size--;
+
+ while (*pos) {
+ switch(*pos) {
case '&':
- strncpy(quote_buf + pos, "&", 5);
- pos += 5;
+ quote = "&";
break;
case '<':
- strncpy(quote_buf + pos, "<", 4);
- pos += 4;
+ quote = "<";
break;
case '>':
- strncpy(quote_buf + pos, ">", 4);
- pos += 4;
+ quote = ">";
break;
case '"':
- strncpy(quote_buf + pos, """, 6);
- pos += 6;
+ quote = """;
break;
default:
- quote_buf[pos++] = str[i];
- break;
+ *buf = *pos;
+ pos++;
+ buf++;
+ size--;
+ continue;
}
+
+ pos++;
+ ret = snprintf(buf, size, "%s", quote);
+ if (ret < 0 || ret >= (int)size)
+ goto Error;
+ buf += ret;
+ size -= ret;
+ if (size < strlen(pos))
+ goto Error;
}
- quote_buf[pos++] = '"';
- quote_buf[pos++] = '\0';
- return quote_buf;
+ if (!size)
+ goto Error;
+
+ *buf = '"';
+ buf++;
+ *buf = '\0';
+
+ return;
+
+Error:
+ fprintf(stderr,"quote_str: buffer overflow\n");
+ exit(EXIT_FAILURE);
}
-void init_xml_str_attr(tag_t attr, char const * str, char * buffer)
+void init_xml_str_attr(tag_t attr, char const *str, char *buffer, size_t max)
{
- char tmp_buf[MAX_BUF_LEN];
- char quote_buf[MAX_BUF_LEN];
- char const * attr_name = xml_tag_name(attr);
- char const * quote_str = xml_quote(str, quote_buf);
- const unsigned int max_len = strlen(attr_name) + strlen(quote_str) + 10;
+ char *buf;
+ int size, ret;
- if (max_len >= sizeof(tmp_buf))
- fprintf(stderr, "Warning: init_xml_str_attr: buffer overflow %d\n", max_len);
+ buffer[max - 1] = '\0';
+ size = strlen(buffer);
+ buf = &buffer[size];
+ size = max - 1 - size;
- if (snprintf(tmp_buf, sizeof(tmp_buf), " %s=""%s""", attr_name, quote_str) < 0) {
- fprintf(stderr,"init_xml_str_attr: snprintf failed\n");
- exit(EXIT_FAILURE);
- }
- strncat(buffer, tmp_buf, sizeof(tmp_buf));
+ ret = snprintf(buf, size, " %s=", xml_tag_name(attr));
+ if (ret < 0 || ret >= size)
+ goto Error;
+
+ buf += ret;
+ size -= ret;
+
+ if (!size)
+ goto Error;
+
+ xml_quote(str, buf, size);
+ return;
+Error:
+ fprintf(stderr,"init_xml_str_attr: snprintf failed\n");
+ exit(EXIT_FAILURE);
}
diff --git a/libop/op_xml_out.h b/libop/op_xml_out.h
index 52e8d8f..b0188b2 100644
--- a/libop/op_xml_out.h
+++ b/libop/op_xml_out.h
@@ -51,6 +51,7 @@
HELP_EVENT_DESC,
HELP_COUNTER_MASK,
HELP_MIN_COUNT,
+ HELP_EXT,
HELP_UNIT_MASKS,
HELP_DEFAULT_MASK,
HELP_UNIT_MASK,
@@ -59,11 +60,11 @@
} tag_t;
char const * xml_tag_name(tag_t tag);
-void open_xml_element(tag_t tag, int with_attrs, char * result);
-void close_xml_element(tag_t tag, int has_nested, char * result);
-void init_xml_int_attr(tag_t attr, int value, char * result);
-void init_xml_dbl_attr(tag_t attr, double value, char * result);
-void init_xml_str_attr(tag_t attr, char const * str, char * result);
+void open_xml_element(tag_t tag, int with_attrs, char *buffer, size_t size);
+void close_xml_element(tag_t tag, int has_nested, char *buffer, size_t size);
+void init_xml_int_attr(tag_t attr, int value, char *buffer, size_t size);
+void init_xml_dbl_attr(tag_t attr, double value, char *buffer, size_t size);
+void init_xml_str_attr(tag_t attr, char const *str, char *buffer, size_t size);
#ifdef __cplusplus
}
diff --git a/libutil/fscanf.c b/libutil/fscanf.c
deleted file mode 100644
index d567324..0000000
--- a/libutil/fscanf.c
+++ /dev/null
@@ -1,22 +0,0 @@
-#include <stdio.h>
-
-// ugly hack because we don't have fscanf
-
-int fscanf(FILE* stream, const char* format, int* value)
-{
- int c;
- int r = 0;
- do {
- c = fgetc(stream);
- if (c>='0' && c<='9') {
- r = r*10 + (c-'0');
- continue;
- }
- break;
- } while (1);
-
- *value = r;
-
- // gahhhh
- return 1;
-}
diff --git a/libutil/op_cpufreq.c b/libutil/op_cpufreq.c
index 78a6333..c95cb58 100644
--- a/libutil/op_cpufreq.c
+++ b/libutil/op_cpufreq.c
@@ -51,6 +51,11 @@
fval = uval / 1E6;
break;
}
+ /* mips including loongson2 */
+ if (sscanf(line, "BogoMIPS : %lu", &uval) == 1) {
+ fval = uval * 3 / 2;
+ break;
+ }
/* s390 doesn't provide cpu freq, checked up to 2.6-test4 */
free(line);
