----- Original Message ----- > From: "Jan Glauber" <[email protected]> > To: [email protected] > Sent: Friday, April 11, 2014 8:13:46 AM > Subject: [lttng-dev] [Patch lttng-modules] ARM: Resolve sys_unknown system > calls > > The LTTng system call extractor relies on kallsyms. Not every system > call is defined in the kernel with SYSCALL_DEFINE, so some system calls > are missing in kallsyms and shown as sys_unknown by LTTng. > > Manually declare the following missing calls for the ARM list: > - sys_recv > - sys_sigreturn > - sys_rt_sigreturn > - sys_pread64 > - sys_prwite64 > - sys_vfork > - sys_ftruncate64 > - sys_fstatfs64 > - sys_fallocate
At the top of each file you modified, there is a big /* THIS FILE IS AUTO-GENERATED. DO NOT EDIT */ comment. I created the "override" header files for this exact purpose: make sure the manual overrides are not lost when we automatically generate the header from a future kernel version. Please move those changes to the override headers where they belong. Thanks, Mathieu > > Signed-off-by: Jan Glauber <[email protected]> > --- > instrumentation/syscalls/3.4.25/arm-32-syscalls-3.4.25 | 9 +++ > instrumentation/headers/arm-32-syscalls-3.4.25_integers.h | 30 > ++++++++ > instrumentation/headers/arm-32-syscalls-3.4.25_pointers.h | 72 > ++++++++++++++++++++ > 3 files changed, 111 insertions(+) > > diff --git a/instrumentation/syscalls/3.4.25/arm-32-syscalls-3.4.25 > b/instrumentation/syscalls/3.4.25/arm-32-syscalls-3.4.25 > index 65c3973..824c879 100644 > --- a/instrumentation/syscalls/3.4.25/arm-32-syscalls-3.4.25 > +++ b/instrumentation/syscalls/3.4.25/arm-32-syscalls-3.4.25 > @@ -80,6 +80,7 @@ syscall sys_wait4 nr 114 nbargs 4 types: (pid_t, int *, > int, struct rusage *) ar > syscall sys_swapoff nr 115 nbargs 1 types: (const char *) args: > (specialfile) > syscall sys_sysinfo nr 116 nbargs 1 types: (struct sysinfo *) args: (info) > syscall sys_fsync nr 118 nbargs 1 types: (unsigned int) args: (fd) > +syscall sys_sigreturn nr 119 nbargs 1 types: (struct pt_regs *) args: (regs) > syscall sys_setdomainname nr 121 nbargs 2 types: (char *, int) args: (name, > len) > syscall sys_newuname nr 122 nbargs 1 types: (struct new_utsname *) args: > (name) > syscall sys_adjtimex nr 124 nbargs 1 types: (struct timex *) args: (txc_p) > @@ -125,18 +126,23 @@ syscall sys_poll nr 168 nbargs 3 types: (struct pollfd > *, unsigned int, int) arg > syscall sys_setresgid16 nr 170 nbargs 3 types: (old_gid_t, old_gid_t, > old_gid_t) args: (rgid, egid, sgid) > syscall sys_getresgid16 nr 171 nbargs 3 types: (old_gid_t *, old_gid_t *, > old_gid_t *) args: (rgid, egid, sgid) > syscall sys_prctl nr 172 nbargs 5 types: (int, unsigned long, unsigned long, > unsigned long, unsigned long) args: (option, arg2, arg3, arg4, arg5) > +syscall sys_rt_sigreturn nr 173 nbargs 1 types: (struct pt_regs *) args: > (regs) > syscall sys_rt_sigaction nr 174 nbargs 4 types: (int, const struct sigaction > *, struct sigaction *, size_t) args: (sig, act, oact, sigsetsize) > syscall sys_rt_sigprocmask nr 175 nbargs 4 types: (int, sigset_t *, sigset_t > *, size_t) args: (how, nset, oset, sigsetsize) > syscall sys_rt_sigpending nr 176 nbargs 2 types: (sigset_t *, size_t) args: > (set, sigsetsize) > syscall sys_rt_sigtimedwait nr 177 nbargs 4 types: (const sigset_t *, > siginfo_t *, const struct timespec *, size_t) args: (uthese, uinfo, uts, > sigsetsize) > syscall sys_rt_sigqueueinfo nr 178 nbargs 3 types: (pid_t, int, siginfo_t *) > args: (pid, sig, uinfo) > syscall sys_rt_sigsuspend nr 179 nbargs 2 types: (sigset_t *, size_t) args: > (unewset, sigsetsize) > +syscall sys_pread64 nr 180 nbargs 4 types: (unsigned int, const char *, > size_t, loff_t) args: (fd, buf, count, pos) > +syscall sys_pwrite64 nr 181 nbargs 4 types: (unsigned int, const char *, > size_t, loff_t) args: (fd, buf, count, pos) > syscall sys_chown16 nr 182 nbargs 3 types: (const char *, old_uid_t, > old_gid_t) args: (filename, user, group) > syscall sys_getcwd nr 183 nbargs 2 types: (char *, unsigned long) args: > (buf, size) > syscall sys_capget nr 184 nbargs 2 types: (cap_user_header_t, > cap_user_data_t) args: (header, dataptr) > syscall sys_capset nr 185 nbargs 2 types: (cap_user_header_t, const > cap_user_data_t) args: (header, data) > syscall sys_sendfile nr 187 nbargs 4 types: (int, int, off_t *, size_t) > args: (out_fd, in_fd, offset, count) > +syscall sys_vfork nr 190 nbargs 0 types: () args: () > syscall sys_getrlimit nr 191 nbargs 2 types: (unsigned int, struct rlimit *) > args: (resource, rlim) > +syscall sys_ftruncate64 nr 194 nbargs 2 types: (unsigned int, loff_t) args: > (fd, length) > syscall sys_stat64 nr 195 nbargs 2 types: (const char *, struct stat64 *) > args: (filename, statbuf) > syscall sys_lstat64 nr 196 nbargs 2 types: (const char *, struct stat64 *) > args: (filename, statbuf) > syscall sys_fstat64 nr 197 nbargs 2 types: (unsigned long, struct stat64 *) > args: (fd, statbuf) > @@ -202,6 +208,7 @@ syscall sys_clock_settime nr 262 nbargs 2 types: (const > clockid_t, const struct > syscall sys_clock_gettime nr 263 nbargs 2 types: (const clockid_t, struct > timespec *) args: (which_clock, tp) > syscall sys_clock_getres nr 264 nbargs 2 types: (const clockid_t, struct > timespec *) args: (which_clock, tp) > syscall sys_clock_nanosleep nr 265 nbargs 4 types: (const clockid_t, int, > const struct timespec *, struct timespec *) args: (which_clock, flags, > rqtp, rmtp) > +syscall sys_fstatfs64 nr 267 nbargs 3 types: (unsigned int, size_t, struct > statfs64 *) args: (fd, sz, buf) > syscall sys_tgkill nr 268 nbargs 3 types: (pid_t, pid_t, int) args: (tgid, > pid, sig) > syscall sys_utimes nr 269 nbargs 2 types: (char *, struct timeval *) args: > (filename, utimes) > syscall sys_mq_open nr 274 nbargs 4 types: (const char *, int, umode_t, > struct mq_attr *) args: (u_name, oflag, mode, u_attr) > @@ -221,6 +228,7 @@ syscall sys_getpeername nr 287 nbargs 3 types: (int, > struct sockaddr *, int *) a > syscall sys_socketpair nr 288 nbargs 4 types: (int, int, int, int *) args: > (family, type, protocol, usockvec) > syscall sys_send nr 289 nbargs 4 types: (int, void *, size_t, unsigned) > args: (fd, buff, len, flags) > syscall sys_sendto nr 290 nbargs 6 types: (int, void *, size_t, unsigned, > struct sockaddr *, int) args: (fd, buff, len, flags, addr, addr_len) > +syscall sys_recv nr 291 nbargs 6 types: (int, void *, size_t, unsigned, > struct sockaddr *, int *) args: (fd, ubuf, size, flags, addr, addr_len) > syscall sys_recvfrom nr 292 nbargs 6 types: (int, void *, size_t, unsigned, > struct sockaddr *, int *) args: (fd, ubuf, size, flags, addr, addr_len) > syscall sys_shutdown nr 293 nbargs 2 types: (int, int) args: (fd, how) > syscall sys_setsockopt nr 294 nbargs 5 types: (int, int, int, char *, int) > args: (fd, level, optname, optval, optlen) > @@ -273,6 +281,7 @@ syscall sys_utimensat nr 348 nbargs 4 types: (int, const > char *, struct timespec > syscall sys_signalfd nr 349 nbargs 3 types: (int, sigset_t *, size_t) args: > (ufd, user_mask, sizemask) > syscall sys_timerfd_create nr 350 nbargs 2 types: (int, int) args: (clockid, > flags) > syscall sys_eventfd nr 351 nbargs 1 types: (unsigned int) args: (count) > +syscall sys_fallocate nr 352 nbargs 4 types: (int, int, loff_t, loff_t) > args: (fd, mode, offset, len) > syscall sys_timerfd_settime nr 353 nbargs 4 types: (int, int, const struct > itimerspec *, struct itimerspec *) args: (ufd, flags, utmr, otmr) > syscall sys_timerfd_gettime nr 354 nbargs 2 types: (int, struct itimerspec > *) args: (ufd, otmr) > syscall sys_signalfd4 nr 355 nbargs 4 types: (int, sigset_t *, size_t, int) > args: (ufd, user_mask, sizemask, flags) > diff --git > a/instrumentation/syscalls/headers/arm-32-syscalls-3.4.25_integers.h > b/instrumentation/syscalls/headers/arm-32-syscalls-3.4.25_integers.h > index 9b10e5e..444de89 100644 > --- a/instrumentation/syscalls/headers/arm-32-syscalls-3.4.25_integers.h > +++ b/instrumentation/syscalls/headers/arm-32-syscalls-3.4.25_integers.h > @@ -56,6 +56,9 @@ SC_DEFINE_EVENT_NOARGS(syscalls_noargs, sys_munlockall) > #ifndef OVERRIDE_32_sys_sched_yield > SC_DEFINE_EVENT_NOARGS(syscalls_noargs, sys_sched_yield) > #endif > +#ifndef OVERRIDE_32_sys_vfork > +SC_DEFINE_EVENT_NOARGS(syscalls_noargs, sys_vfork) > +#endif > #ifndef OVERRIDE_32_sys_getuid > SC_DEFINE_EVENT_NOARGS(syscalls_noargs, sys_getuid) > #endif > @@ -497,6 +500,15 @@ SC_TRACE_EVENT(sys_munlock, > TP_printk() > ) > #endif > +#ifndef OVERRIDE_32_sys_ftruncate64 > +SC_TRACE_EVENT(sys_ftruncate64, > + TP_PROTO(unsigned int fd, loff_t length), > + TP_ARGS(fd, length), > + TP_STRUCT__entry(__field(unsigned int, fd) __field(loff_t, length)), > + TP_fast_assign(tp_assign(fd, fd) tp_assign(length, length)), > + TP_printk() > +) > +#endif > #ifndef OVERRIDE_32_sys_setreuid > SC_TRACE_EVENT(sys_setreuid, > TP_PROTO(uid_t ruid, uid_t euid), > @@ -812,6 +824,15 @@ SC_TRACE_EVENT(sys_tee, > TP_printk() > ) > #endif > +#ifndef OVERRIDE_32_sys_fallocate > +SC_TRACE_EVENT(sys_fallocate, > + TP_PROTO(int fd, int mode, loff_t offset, loff_t len), > + TP_ARGS(fd, mode, offset, len), > + TP_STRUCT__entry(__field(int, fd) __field(int, mode) __field(loff_t, > offset) __field(loff_t, len)), > + TP_fast_assign(tp_assign(fd, fd) tp_assign(mode, mode) tp_assign(offset, > offset) tp_assign(len, len)), > + TP_printk() > +) > +#endif > #ifndef OVERRIDE_32_sys_mremap > SC_TRACE_EVENT(sys_mremap, > TP_PROTO(unsigned long addr, unsigned long old_len, unsigned long > new_len, > unsigned long flags, unsigned long new_addr), > @@ -901,6 +922,9 @@ TRACE_SYSCALL_TABLE(syscalls_noargs, sys_munlockall, 153, > 0) > #ifndef OVERRIDE_TABLE_32_sys_sched_yield > TRACE_SYSCALL_TABLE(syscalls_noargs, sys_sched_yield, 158, 0) > #endif > +#ifndef OVERRIDE_TABLE_32_sys_vfork > +TRACE_SYSCALL_TABLE(syscalls_noargs, sys_vfork, 190, 0) > +#endif > #ifndef OVERRIDE_TABLE_32_sys_getuid > TRACE_SYSCALL_TABLE(syscalls_noargs, sys_getuid, 199, 0) > #endif > @@ -1057,6 +1081,9 @@ TRACE_SYSCALL_TABLE(sys_setresgid16, sys_setresgid16, > 170, 3) > #ifndef OVERRIDE_TABLE_32_sys_prctl > TRACE_SYSCALL_TABLE(sys_prctl, sys_prctl, 172, 5) > #endif > +#ifndef OVERRIDE_TABLE_32_sys_ftruncate64 > +TRACE_SYSCALL_TABLE(sys_ftruncate64, sys_ftruncate64, 194, 2) > +#endif > #ifndef OVERRIDE_TABLE_32_sys_setreuid > TRACE_SYSCALL_TABLE(sys_setreuid, sys_setreuid, 203, 2) > #endif > @@ -1156,6 +1183,9 @@ TRACE_SYSCALL_TABLE(sys_timerfd_create, > sys_timerfd_create, 350, 2) > #ifndef OVERRIDE_TABLE_32_sys_eventfd > TRACE_SYSCALL_TABLE(sys_eventfd, sys_eventfd, 351, 1) > #endif > +#ifndef OVERRIDE_TABLE_32_sys_fallocate > +TRACE_SYSCALL_TABLE(sys_fallocate, sys_fallocate, 352, 4) > +#endif > #ifndef OVERRIDE_TABLE_32_sys_eventfd2 > TRACE_SYSCALL_TABLE(sys_eventfd2, sys_eventfd2, 356, 2) > #endif > diff --git > a/instrumentation/syscalls/headers/arm-32-syscalls-3.4.25_pointers.h > b/instrumentation/syscalls/headers/arm-32-syscalls-3.4.25_pointers.h > index 3a9c146..796ca52 100644 > --- a/instrumentation/syscalls/headers/arm-32-syscalls-3.4.25_pointers.h > +++ b/instrumentation/syscalls/headers/arm-32-syscalls-3.4.25_pointers.h > @@ -108,6 +108,15 @@ SC_TRACE_EVENT(sys_sysinfo, > TP_printk() > ) > #endif > +#ifndef OVERRIDE_32_sys_sigreturn > +SC_TRACE_EVENT(sys_sigreturn, > + TP_PROTO(struct pt_regs * regs), > + TP_ARGS(regs), > + TP_STRUCT__entry(__field_hex(struct pt_regs *, regs)), > + TP_fast_assign(tp_assign(regs, regs)), > + TP_printk() > +) > +#endif > #ifndef OVERRIDE_32_sys_newuname > SC_TRACE_EVENT(sys_newuname, > TP_PROTO(struct new_utsname * name), > @@ -135,6 +144,15 @@ SC_TRACE_EVENT(sys_sysctl, > TP_printk() > ) > #endif > +#ifndef OVERRIDE_32_sys_rt_sigreturn > +SC_TRACE_EVENT(sys_rt_sigreturn, > + TP_PROTO(struct pt_regs * regs), > + TP_ARGS(regs), > + TP_STRUCT__entry(__field_hex(struct pt_regs *, regs)), > + TP_fast_assign(tp_assign(regs, regs)), > + TP_printk() > +) > +#endif > #ifndef OVERRIDE_32_sys_set_tid_address > SC_TRACE_EVENT(sys_set_tid_address, > TP_PROTO(int * tidptr), > @@ -945,6 +963,15 @@ SC_TRACE_EVENT(sys_timer_create, > TP_printk() > ) > #endif > +#ifndef OVERRIDE_32_sys_fstatfs64 > +SC_TRACE_EVENT(sys_fstatfs64, > + TP_PROTO(unsigned int fd, size_t sz, struct statfs64 * buf), > + TP_ARGS(fd, sz, buf), > + TP_STRUCT__entry(__field(unsigned int, fd) __field(size_t, sz) > __field_hex(struct statfs64 *, buf)), > + TP_fast_assign(tp_assign(fd, fd) tp_assign(sz, sz) tp_assign(buf, buf)), > + TP_printk() > +) > +#endif > #ifndef OVERRIDE_32_sys_mq_getsetattr > SC_TRACE_EVENT(sys_mq_getsetattr, > TP_PROTO(mqd_t mqdes, const struct mq_attr * u_mqstat, struct mq_attr * > u_omqstat), > @@ -1206,6 +1233,24 @@ SC_TRACE_EVENT(sys_rt_sigtimedwait, > TP_printk() > ) > #endif > +#ifndef OVERRIDE_32_sys_pread64 > +SC_TRACE_EVENT(sys_pread64, > + TP_PROTO(unsigned int fd, const char * buf, size_t count, loff_t pos), > + TP_ARGS(fd, buf, count, pos), > + TP_STRUCT__entry(__field(unsigned int, fd) __field_hex(const char *, > buf) > __field(size_t, count) __field(loff_t, pos)), > + TP_fast_assign(tp_assign(fd, fd) tp_assign(buf, buf) tp_assign(count, > count) tp_assign(pos, pos)), > + TP_printk() > +) > +#endif > +#ifndef OVERRIDE_32_sys_pwrite64 > +SC_TRACE_EVENT(sys_pwrite64, > + TP_PROTO(unsigned int fd, const char * buf, size_t count, loff_t pos), > + TP_ARGS(fd, buf, count, pos), > + TP_STRUCT__entry(__field(unsigned int, fd) __field_hex(const char *, > buf) > __field(size_t, count) __field(loff_t, pos)), > + TP_fast_assign(tp_assign(fd, fd) tp_assign(buf, buf) tp_assign(count, > count) tp_assign(pos, pos)), > + TP_printk() > +) > +#endif > #ifndef OVERRIDE_32_sys_sendfile > SC_TRACE_EVENT(sys_sendfile, > TP_PROTO(int out_fd, int in_fd, off_t * offset, size_t count), > @@ -1674,6 +1719,15 @@ SC_TRACE_EVENT(sys_sendto, > TP_printk() > ) > #endif > +#ifndef OVERRIDE_32_sys_recv > +SC_TRACE_EVENT(sys_recv, > + TP_PROTO(int fd, void * ubuf, size_t size, unsigned flags, struct > sockaddr > * addr, int * addr_len), > + TP_ARGS(fd, ubuf, size, flags, addr, addr_len), > + TP_STRUCT__entry(__field(int, fd) __field_hex(void *, ubuf) > __field(size_t, > size) __field(unsigned, flags) __field_hex(struct sockaddr *, addr) > __field_hex(int *, addr_len)), > + TP_fast_assign(tp_assign(fd, fd) tp_assign(ubuf, ubuf) tp_assign(size, > size) tp_assign(flags, flags) tp_assign(addr, addr) tp_assign(addr_len, > addr_len)), > + TP_printk() > +) > +#endif > #ifndef OVERRIDE_32_sys_recvfrom > SC_TRACE_EVENT(sys_recvfrom, > TP_PROTO(int fd, void * ubuf, size_t size, unsigned flags, struct > sockaddr > * addr, int * addr_len), > @@ -1877,6 +1931,9 @@ TRACE_SYSCALL_TABLE(sys_swapoff, sys_swapoff, 115, 1) > #ifndef OVERRIDE_TABLE_32_sys_sysinfo > TRACE_SYSCALL_TABLE(sys_sysinfo, sys_sysinfo, 116, 1) > #endif > +#ifndef OVERRIDE_TABLE_32_sys_sigreturn > +TRACE_SYSCALL_TABLE(sys_sigreturn, sys_sigreturn, 119, 1) > +#endif > #ifndef OVERRIDE_TABLE_32_sys_setdomainname > TRACE_SYSCALL_TABLE(sys_setdomainname, sys_setdomainname, 121, 2) > #endif > @@ -1940,6 +1997,9 @@ TRACE_SYSCALL_TABLE(sys_poll, sys_poll, 168, 3) > #ifndef OVERRIDE_TABLE_32_sys_getresgid16 > TRACE_SYSCALL_TABLE(sys_getresgid16, sys_getresgid16, 171, 3) > #endif > +#ifndef OVERRIDE_TABLE_32_sys_rt_sigreturn > +TRACE_SYSCALL_TABLE(sys_rt_sigreturn, sys_rt_sigreturn, 173, 1) > +#endif > #ifndef OVERRIDE_TABLE_32_sys_rt_sigaction > TRACE_SYSCALL_TABLE(sys_rt_sigaction, sys_rt_sigaction, 174, 4) > #endif > @@ -1958,6 +2018,12 @@ TRACE_SYSCALL_TABLE(sys_rt_sigqueueinfo, > sys_rt_sigqueueinfo, 178, 3) > #ifndef OVERRIDE_TABLE_32_sys_rt_sigsuspend > TRACE_SYSCALL_TABLE(sys_rt_sigsuspend, sys_rt_sigsuspend, 179, 2) > #endif > +#ifndef OVERRIDE_TABLE_32_sys_pread64 > +TRACE_SYSCALL_TABLE(sys_pread64, sys_pread64, 180, 4) > +#endif > +#ifndef OVERRIDE_TABLE_32_sys_pwrite64 > +TRACE_SYSCALL_TABLE(sys_pwrite64, sys_pwrite64, 181, 4) > +#endif > #ifndef OVERRIDE_TABLE_32_sys_chown16 > TRACE_SYSCALL_TABLE(sys_chown16, sys_chown16, 182, 3) > #endif > @@ -2096,6 +2162,9 @@ TRACE_SYSCALL_TABLE(sys_clock_getres, sys_clock_getres, > 264, 2) > #ifndef OVERRIDE_TABLE_32_sys_clock_nanosleep > TRACE_SYSCALL_TABLE(sys_clock_nanosleep, sys_clock_nanosleep, 265, 4) > #endif > +#ifndef OVERRIDE_TABLE_32_sys_fstatfs64 > +TRACE_SYSCALL_TABLE(sys_fstatfs64, sys_fstatfs64, 267, 3) > +#endif > #ifndef OVERRIDE_TABLE_32_sys_utimes > TRACE_SYSCALL_TABLE(sys_utimes, sys_utimes, 269, 2) > #endif > @@ -2144,6 +2213,9 @@ TRACE_SYSCALL_TABLE(sys_send, sys_send, 289, 4) > #ifndef OVERRIDE_TABLE_32_sys_sendto > TRACE_SYSCALL_TABLE(sys_sendto, sys_sendto, 290, 6) > #endif > +#ifndef OVERRIDE_TABLE_32_sys_recv > +TRACE_SYSCALL_TABLE(sys_recv, sys_recv, 291, 6) > +#endif > #ifndef OVERRIDE_TABLE_32_sys_recvfrom > TRACE_SYSCALL_TABLE(sys_recvfrom, sys_recvfrom, 292, 6) > #endif > -- > 1.7.9.5 > > > _______________________________________________ > lttng-dev mailing list > [email protected] > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev > -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
