perf tests: Avoid pthread.h inclusion

pthread.h is being included for the side-effect of getting sched.h and
macros like CPU_CLR. Switch to directly using sched.h, or if that is
already present, just remove the pthread.h inclusion entirely.

Signed-off-by: Ian Rogers <[e-mail]>
Reviewed-by: Adrian Hunter <[e-mail]>
Acked-by: Namhyung Kim <[e-mail]>
Cc: Alexander Shishkin <[e-mail]>
Cc: Alexandre Truong <[e-mail]>
Cc: Alexey Bayduraev <[e-mail]>
Cc: Andi Kleen <[e-mail]>
Cc: Andres Freund <[e-mail]>
Cc: Andrii Nakryiko <[e-mail]>
Cc: André Almeida <[e-mail]>
Cc: Athira Jajeev <[e-mail]>
Cc: Christophe JAILLET <[e-mail]>
Cc: Colin Ian King <[e-mail]>
Cc: Dario Petrillo <[e-mail]>
Cc: Darren Hart <[e-mail]>
Cc: Dave Marchevsky <[e-mail]>
Cc: Davidlohr Bueso <[e-mail]>
Cc: Fangrui Song <[e-mail]>
Cc: Hewenliang <[e-mail]>
Cc: Ingo Molnar <[e-mail]>
Cc: James Clark <[e-mail]>
Cc: Jason Wang <[e-mail]>
Cc: Jiri Olsa <[e-mail]>
Cc: Kajol Jain <[e-mail]>
Cc: Kim Phillips <[e-mail]>
Cc: Leo Yan <[e-mail]>
Cc: Mark Rutland <[e-mail]>
Cc: Martin Liška <[e-mail]>
Cc: Masami Hiramatsu <[e-mail]>
Cc: Nathan Chancellor <[e-mail]>
Cc: Nick Desaulniers <[e-mail]>
Cc: Pavithra Gurushankar <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Quentin Monnet <[e-mail]>
Cc: Ravi Bangoria <[e-mail]>
Cc: Remi Bernon <[e-mail]>
Cc: Riccardo Mancini <[e-mail]>
Cc: Song Liu <[e-mail]>
Cc: Stephane Eranian <[e-mail]>
Cc: Thomas Gleixner <[e-mail]>
Cc: Thomas Richter <[e-mail]>
Cc: Tom Rix <[e-mail]>
Cc: Weiguo Li <[e-mail]>
Cc: Wenyu Liu <[e-mail]>
Cc: William Cohen <[e-mail]>
Cc: Zechuan Chen <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Cc: yaowenbin <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/tests/mmap-basic.c

···
 // SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
 #include <inttypes.h>
-/* For the CLR_() macros */
-#include <pthread.h>
 #include <stdlib.h>
 #include <perf/cpumap.h>
 

tools/perf/tests/openat-syscall-all-cpus.c

···
 #include <errno.h>
 #include <inttypes.h>
 /* For the CPU_* macros */
-#include <pthread.h>
+#include <sched.h>
 
 #include <sys/types.h>
 #include <sys/stat.h>

tools/perf/tests/perf-record.c

···
 #include <errno.h>
 #include <inttypes.h>
 #include <linux/string.h>
-/* For the CLR_() macros */
-#include <pthread.h>
 
 #include <sched.h>
 #include <perf/mmap.h>