diff options
Diffstat (limited to 'dev-util/rt-tests/files/rt-tests-2.5-musl.patch')
-rw-r--r-- | dev-util/rt-tests/files/rt-tests-2.5-musl.patch | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/dev-util/rt-tests/files/rt-tests-2.5-musl.patch b/dev-util/rt-tests/files/rt-tests-2.5-musl.patch new file mode 100644 index 000000000000..a7aca4392ebb --- /dev/null +++ b/dev-util/rt-tests/files/rt-tests-2.5-musl.patch @@ -0,0 +1,342 @@ +From 0b7a1e0d3463aa8aa4b7dcad0ec154e658d68036 Mon Sep 17 00:00:00 2001 +From: Kurt Kanzenbach <kurt@kmk-computers.de> +Date: Wed, 1 Apr 2020 20:15:24 +0200 +Subject: [PATCH] all: Fix musl build + +There are a few problems: + + * pi stress: pthread_attr_setaffinity_np() is not supported + * cyclictest: SIGEV_THREAD_ID is not supported + * hackbench: Fix include + * all: Fix sched_* calls + +With these changes applied, the rt-tests seem to run fine. + +Signed-off-by: Kurt Kanzenbach <kurt@kmk-computers.de> +--- + Makefile | 5 -- + src/backfire/sendme.c | 1 + src/cyclictest/cyclictest.c | 68 ++++------------------------------ + src/hackbench/hackbench.c | 4 +- + src/include/musl.h | 28 ++++++++++++++ + src/lib/rt-utils.c | 1 + src/pi_tests/tst-mutexpi10.c | 2 + + src/pmqtest/pmqtest.c | 1 + src/ptsematest/ptsematest.c | 1 + src/rt-migrate-test/rt-migrate-test.c | 1 + src/sched_deadline/cyclicdeadline.c | 1 + 11 files changed, 47 insertions(+), 66 deletions(-) + create mode 100644 src/include/musl.h + +--- a/Makefile ++++ b/Makefile +@@ -7,7 +7,6 @@ OBJDIR = bld + sources = cyclictest.c \ + hackbench.c \ + pip_stress.c \ +- pi_stress.c \ + pmqtest.c \ + ptsematest.c \ + rt-migrate-test.c \ +@@ -42,7 +41,6 @@ ifeq (${PYLIB},) + endif + + MANPAGES = src/cyclictest/cyclictest.8 \ +- src/pi_tests/pi_stress.8 \ + src/ptsematest/ptsematest.8 \ + src/rt-migrate-test/rt-migrate-test.8 \ + src/sigwaittest/sigwaittest.8 \ +@@ -130,9 +128,6 @@ deadline_test: $(OBJDIR)/deadline_test.o + signaltest: $(OBJDIR)/signaltest.o $(OBJDIR)/librttest.a $(OBJDIR)/librttestnuma.a + $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(RTTESTLIB) $(RTTESTNUMA) + +-pi_stress: $(OBJDIR)/pi_stress.o $(OBJDIR)/librttest.a +- $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(RTTESTLIB) +- + hwlatdetect: src/hwlatdetect/hwlatdetect.py + chmod +x src/hwlatdetect/hwlatdetect.py + ln -s src/hwlatdetect/hwlatdetect.py hwlatdetect +--- a/src/backfire/sendme.c ++++ b/src/backfire/sendme.c +@@ -29,6 +29,7 @@ + #include <string.h> + #include <time.h> + #include <errno.h> ++#include "musl.h" + #include "rt-utils.h" + #include "rt-get_cpu.h" + +--- a/src/cyclictest/cyclictest.c ++++ b/src/cyclictest/cyclictest.c +@@ -33,6 +33,7 @@ + #include <sys/utsname.h> + #include <sys/mman.h> + #include <sys/syscall.h> ++#include "musl.h" + #include "rt_numa.h" + + #include "rt-utils.h" +@@ -546,12 +547,8 @@ static void *timerthread(void *param) + { + struct thread_param *par = param; + struct sched_param schedp; +- struct sigevent sigev; + sigset_t sigset; +- timer_t timer; + struct timespec now, next, interval, stop = { 0 }; +- struct itimerval itimer; +- struct itimerspec tspec; + struct thread_stat *stat = par->stats; + int stopped = 0; + cpu_set_t mask; +@@ -580,14 +577,6 @@ static void *timerthread(void *param) + sigaddset(&sigset, par->signal); + sigprocmask(SIG_BLOCK, &sigset, NULL); + +- if (par->mode == MODE_CYCLIC) { +- sigev.sigev_notify = SIGEV_THREAD_ID | SIGEV_SIGNAL; +- sigev.sigev_signo = par->signal; +- sigev.sigev_notify_thread_id = stat->tid; +- timer_create(par->clock, &sigev, &timer); +- tspec.it_interval = interval; +- } +- + memset(&schedp, 0, sizeof(schedp)); + schedp.sched_priority = par->prio; + if (setscheduler(0, par->policy, &schedp)) +@@ -641,20 +630,6 @@ static void *timerthread(void *param) + stop = now; + stop.tv_sec += duration; + } +- if (par->mode == MODE_CYCLIC) { +- if (par->timermode == TIMER_ABSTIME) +- tspec.it_value = next; +- else +- tspec.it_value = interval; +- timer_settime(timer, par->timermode, &tspec, NULL); +- } +- +- if (par->mode == MODE_SYS_ITIMER) { +- itimer.it_interval.tv_sec = interval.tv_sec; +- itimer.it_interval.tv_usec = interval.tv_nsec / 1000; +- itimer.it_value = itimer.it_interval; +- setitimer(ITIMER_REAL, &itimer, NULL); +- } + + stat->threadstarted++; + +@@ -662,16 +637,10 @@ static void *timerthread(void *param) + + uint64_t diff; + unsigned long diff_smi = 0; +- int sigs, ret; ++ int ret; + + /* Wait for next period */ + switch (par->mode) { +- case MODE_CYCLIC: +- case MODE_SYS_ITIMER: +- if (sigwait(&sigset, &sigs) < 0) +- goto out; +- break; +- + case MODE_CLOCK_NANOSLEEP: + if (par->timermode == TIMER_ABSTIME) { + ret = clock_nanosleep(par->clock, TIMER_ABSTIME, +@@ -792,11 +761,6 @@ static void *timerthread(void *param) + + next.tv_sec += interval.tv_sec; + next.tv_nsec += interval.tv_nsec; +- if (par->mode == MODE_CYCLIC) { +- int overrun_count = timer_getoverrun(timer); +- next.tv_sec += overrun_count * interval.tv_sec; +- next.tv_nsec += overrun_count * interval.tv_nsec; +- } + tsnorm(&next); + + while (tsgreater(&now, &next)) { +@@ -821,17 +785,6 @@ out: + pthread_mutex_unlock(&refresh_on_max_lock); + } + +- if (par->mode == MODE_CYCLIC) +- timer_delete(timer); +- +- if (par->mode == MODE_SYS_ITIMER) { +- itimer.it_value.tv_sec = 0; +- itimer.it_value.tv_usec = 0; +- itimer.it_interval.tv_sec = 0; +- itimer.it_interval.tv_usec = 0; +- setitimer(ITIMER_REAL, &itimer, NULL); +- } +- + /* close msr file */ + if (smi) + close(par->msr_fd); +@@ -1227,7 +1180,8 @@ static void process_options(int argc, ch + case OPT_VERBOSE: verbose = 1; break; + case 'x': + case OPT_POSIX_TIMERS: +- use_nanosleep = MODE_CYCLIC; break; ++ fatal("--posix_timers is not available on your libc\n"); ++ break; + case '?': + case OPT_HELP: + display_help(0); break; +@@ -1260,13 +1214,6 @@ static void process_options(int argc, ch + } + } + +- if ((use_system == MODE_SYS_OFFSET) && (use_nanosleep == MODE_CYCLIC)) { +- warn("The system option requires clock_nanosleep\n"); +- warn("and is not compatible with posix_timers\n"); +- warn("Using clock_nanosleep\n"); +- use_nanosleep = MODE_CLOCK_NANOSLEEP; +- } +- + /* if smp wasn't requested, test for numa automatically */ + if (!smp) { + numa = numa_initialize(); +@@ -1991,7 +1938,6 @@ int main(int argc, char **argv) + + } + +- + mode = use_nanosleep + use_system; + + sigemptyset(&sigset); +@@ -2042,6 +1988,7 @@ int main(int argc, char **argv) + void *currstk; + size_t stksize; + int node_cpu = cpu; ++ int err; + + if (node_cpu == -1) + node_cpu = cpu_for_thread_ua(i, max_cpus); +@@ -2050,11 +1997,12 @@ int main(int argc, char **argv) + node = rt_numa_numa_node_of_cpu(node_cpu); + + /* get the stack size set for this thread */ +- if (pthread_attr_getstack(&attr, &currstk, &stksize)) ++ err = pthread_attr_getstack(&attr, &currstk, &stksize); ++ if (err != EINVAL) + fatal("failed to get stack size for thread %d\n", i); + + /* if the stack size is zero, set a default */ +- if (stksize == 0) ++ if (err == EINVAL || stksize == 0) + stksize = PTHREAD_STACK_MIN * 2; + + /* allocate memory for a stack on appropriate node */ +--- a/src/hackbench/hackbench.c ++++ b/src/hackbench/hackbench.c +@@ -25,7 +25,7 @@ + #include <sys/socket.h> + #include <sys/wait.h> + #include <sys/time.h> +-#include <sys/poll.h> ++#include <poll.h> + #include <netinet/in.h> + #include <arpa/inet.h> + #include <limits.h> +@@ -34,6 +34,8 @@ + #include <setjmp.h> + #include <sched.h> + ++#include "musl.h" ++ + static unsigned int datasize = 100; + static unsigned int loops = 100; + static unsigned int num_groups = 10; +--- /dev/null ++++ b/src/include/musl.h +@@ -0,0 +1,28 @@ ++/* ++ * Copyright (C) 2020 Kurt Kanzenbach <kurt@kmk-computers.de> ++ * Time-stamp: <2020-04-04 10:54:01 kurt> ++ */ ++ ++#ifndef _MUSL_H_ ++#define _MUSL_H_ ++ ++#include <unistd.h> ++#include <sys/syscall.h> ++ ++/* ++ * Musl someshow defines sched_* to ENOSYS which is not correct ... ++ * See commit 1e21e78bf7a5 ("add support for thread scheduling (POSIX TPS option)") ++ * ++ * Workaround: define them to syscall(...) ++ */ ++ ++#define sched_getparam(pid, param) \ ++ syscall(SYS_sched_getparam, pid, param) ++#define sched_setparam(pid, param) \ ++ syscall(SYS_sched_setparam, pid, param) ++#define sched_getscheduler(pid) \ ++ syscall(SYS_sched_getscheduler, pid) ++#define sched_setscheduler(pid, policy, param) \ ++ syscall(SYS_sched_setscheduler, pid, policy, param) ++ ++#endif /* _MUSL_H_ */ +--- a/src/lib/rt-utils.c ++++ b/src/lib/rt-utils.c +@@ -24,6 +24,7 @@ + #include <time.h> + #include <sys/time.h> + ++#include "musl.h" + #include "rt-utils.h" + #include "rt-sched.h" + #include "rt-error.h" +--- a/src/pi_tests/tst-mutexpi10.c ++++ b/src/pi_tests/tst-mutexpi10.c +@@ -35,6 +35,8 @@ + #include <string.h> + #include <signal.h> + ++#include "musl.h" ++ + /* test timeout */ + #define TIMEOUT 2 + +--- a/src/pmqtest/pmqtest.c ++++ b/src/pmqtest/pmqtest.c +@@ -24,6 +24,7 @@ + #include <pthread.h> + #include <inttypes.h> + ++#include "musl.h" + #include "rt-utils.h" + #include "rt-get_cpu.h" + #include "rt-error.h" +--- a/src/ptsematest/ptsematest.c ++++ b/src/ptsematest/ptsematest.c +@@ -22,6 +22,7 @@ + #include <pthread.h> + #include <inttypes.h> + ++#include "musl.h" + #include "rt-utils.h" + #include "rt-get_cpu.h" + #include "rt-error.h" +--- a/src/rt-migrate-test/rt-migrate-test.c ++++ b/src/rt-migrate-test/rt-migrate-test.c +@@ -27,6 +27,7 @@ + + #include <linux/unistd.h> + ++#include "musl.h" + #include "rt-utils.h" + + int nr_tasks; +--- a/src/sched_deadline/cyclicdeadline.c ++++ b/src/sched_deadline/cyclicdeadline.c +@@ -30,6 +30,7 @@ + #include <linux/unistd.h> + #include <linux/magic.h> + ++#include "musl.h" + #include "rt-utils.h" + #include "rt-sched.h" + #include "rt-error.h" |