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perf trace: Make some large static arrays const to move it to .data.rel.ro

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Allows the movement of 33,128 bytes from .data to .data.rel.ro.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: K Prateek Nayak <kprateek.nayak@amd.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Ross Zwisler <zwisler@chromium.org>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Tiezhu Yang <yangtiezhu@loongson.cn>
Cc: Yang Jihong <yangjihong1@huawei.com>
Link: https://lore.kernel.org/r/20230526183401.2326121-5-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2023-05-26 11:33:49 -07:00 committed by Arnaldo Carvalho de Melo
parent 7c1d862eda
commit 60995604d1
1 changed files with 19 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
tools/perf/builtin-trace.c
View File

@ -914,7 +914,7 @@ static size_t syscall_arg__scnprintf_getrandom_flags(char *bf, size_t size,
#include "trace/beauty/socket_type.c"
#include "trace/beauty/waitid_options.c"
static struct syscall_fmt syscall_fmts[] = {
static const struct syscall_fmt syscall_fmts[] = {
{ .name = "access",
.arg = { [1] = { .scnprintf = SCA_ACCMODE, /* mode */ }, }, },
{ .name = "arch_prctl",
@ -1176,18 +1176,21 @@ static int syscall_fmt__cmp(const void *name, const void *fmtp)
return strcmp(name, fmt->name);
}
static struct syscall_fmt *__syscall_fmt__find(struct syscall_fmt *fmts, const int nmemb, const char *name)
static const struct syscall_fmt *__syscall_fmt__find(const struct syscall_fmt *fmts,
const int nmemb,
const char *name)
{
return bsearch(name, fmts, nmemb, sizeof(struct syscall_fmt), syscall_fmt__cmp);
}
static struct syscall_fmt *syscall_fmt__find(const char *name)
static const struct syscall_fmt *syscall_fmt__find(const char *name)
{
const int nmemb = ARRAY_SIZE(syscall_fmts);
return __syscall_fmt__find(syscall_fmts, nmemb, name);
}
static struct syscall_fmt *__syscall_fmt__find_by_alias(struct syscall_fmt *fmts, const int nmemb, const char *alias)
static const struct syscall_fmt *__syscall_fmt__find_by_alias(const struct syscall_fmt *fmts,
const int nmemb, const char *alias)
{
int i;
@ -1199,7 +1202,7 @@ static struct syscall_fmt *__syscall_fmt__find_by_alias(struct syscall_fmt *fmts
return NULL;
}
static struct syscall_fmt *syscall_fmt__find_by_alias(const char *alias)
static const struct syscall_fmt *syscall_fmt__find_by_alias(const char *alias)
{
const int nmemb = ARRAY_SIZE(syscall_fmts);
return __syscall_fmt__find_by_alias(syscall_fmts, nmemb, alias);
@ -1224,7 +1227,7 @@ struct syscall {
bool nonexistent;
struct tep_format_field *args;
const char *name;
struct syscall_fmt *fmt;
const struct syscall_fmt *fmt;
struct syscall_arg_fmt *arg_fmt;
};
@ -1673,7 +1676,7 @@ static int syscall__alloc_arg_fmts(struct syscall *sc, int nr_args)
return 0;
}
static struct syscall_arg_fmt syscall_arg_fmts__by_name[] = {
static const struct syscall_arg_fmt syscall_arg_fmts__by_name[] = {
{ .name = "msr", .scnprintf = SCA_X86_MSR, .strtoul = STUL_X86_MSR, },
{ .name = "vector", .scnprintf = SCA_X86_IRQ_VECTORS, .strtoul = STUL_X86_IRQ_VECTORS, },
};
@ -1684,13 +1687,14 @@ static int syscall_arg_fmt__cmp(const void *name, const void *fmtp)
return strcmp(name, fmt->name);
}
static struct syscall_arg_fmt *
__syscall_arg_fmt__find_by_name(struct syscall_arg_fmt *fmts, const int nmemb, const char *name)
static const struct syscall_arg_fmt *
__syscall_arg_fmt__find_by_name(const struct syscall_arg_fmt *fmts, const int nmemb,
const char *name)
{
return bsearch(name, fmts, nmemb, sizeof(struct syscall_arg_fmt), syscall_arg_fmt__cmp);
}
static struct syscall_arg_fmt *syscall_arg_fmt__find_by_name(const char *name)
static const struct syscall_arg_fmt *syscall_arg_fmt__find_by_name(const char *name)
{
const int nmemb = ARRAY_SIZE(syscall_arg_fmts__by_name);
return __syscall_arg_fmt__find_by_name(syscall_arg_fmts__by_name, nmemb, name);
@ -1735,8 +1739,9 @@ syscall_arg_fmt__init_array(struct syscall_arg_fmt *arg, struct tep_format_field
* 7 unsigned long
*/
arg->scnprintf = SCA_FD;
} else {
struct syscall_arg_fmt *fmt = syscall_arg_fmt__find_by_name(field->name);
} else {
const struct syscall_arg_fmt *fmt =
syscall_arg_fmt__find_by_name(field->name);
if (fmt) {
arg->scnprintf = fmt->scnprintf;
@ -4458,7 +4463,7 @@ static void evsel__set_syscall_arg_fmt(struct evsel *evsel, const char *name)
struct syscall_arg_fmt *fmt = evsel__syscall_arg_fmt(evsel);
if (fmt) {
struct syscall_fmt *scfmt = syscall_fmt__find(name);
const struct syscall_fmt *scfmt = syscall_fmt__find(name);
if (scfmt) {
int skip = 0;
@ -4525,7 +4530,7 @@ static int trace__parse_events_option(const struct option *opt, const char *str,
int len = strlen(str) + 1, err = -1, list, idx;
char *strace_groups_dir = system_path(STRACE_GROUPS_DIR);
char group_name[PATH_MAX];
struct syscall_fmt *fmt;
const struct syscall_fmt *fmt;
if (strace_groups_dir == NULL)
return -1;