perf scripting-engines: Move static to local variable, remove 16384 from .bss

Avoid 16,384 bytes in .bss by stack allocating two bitmaps.

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/20230526183401.2326121-14-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/scripting-engines/trace-event-perl.c b/tools/perf/util/scripting-engines/trace-event-perl.c
index 039d036..65b761d 100644 (file)
--- a/tools/perf/util/scripting-engines/trace-event-perl.c
+++ b/tools/perf/util/scripting-engines/trace-event-perl.c
@@ -67,8 +67,6 @@ INTERP my_perl;
 #define TRACE_EVENT_TYPE_MAX                           \
        ((1 << (sizeof(unsigned short) * 8)) - 1)
 
-static DECLARE_BITMAP(events_defined, TRACE_EVENT_TYPE_MAX);
-
 extern struct scripting_context *scripting_context;
 
 static char *cur_field_name;
@@ -353,7 +351,9 @@ static void perl_process_tracepoint(struct perf_sample *sample,
        void *data = sample->raw_data;
        unsigned long long nsecs = sample->time;
        const char *comm = thread__comm_str(thread);
+       DECLARE_BITMAP(events_defined, TRACE_EVENT_TYPE_MAX);
 
+       bitmap_zero(events_defined, TRACE_EVENT_TYPE_MAX);
        dSP;
 
        if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)

diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index 41d4f9e..4096407 100644 (file)
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -93,8 +93,6 @@ PyMODINIT_FUNC PyInit_perf_trace_context(void);
 #define TRACE_EVENT_TYPE_MAX                           \
        ((1 << (sizeof(unsigned short) * 8)) - 1)
 
-static DECLARE_BITMAP(events_defined, TRACE_EVENT_TYPE_MAX);
-
 #define N_COMMON_FIELDS        7
 
 static char *cur_field_name;
@@ -934,6 +932,9 @@ static void python_process_tracepoint(struct perf_sample *sample,
        unsigned long long nsecs = sample->time;
        const char *comm = thread__comm_str(al->thread);
        const char *default_handler_name = "trace_unhandled";
+       DECLARE_BITMAP(events_defined, TRACE_EVENT_TYPE_MAX);
+
+       bitmap_zero(events_defined, TRACE_EVENT_TYPE_MAX);
 
        if (!event) {
                snprintf(handler_name, sizeof(handler_name),