LU-9083: Add scripts to collect and analyze Lustre RPC traces

[fs/lustre-release.git] / libcfs / autoconf / lustre-libcfs.m4

diff --git a/libcfs/autoconf/lustre-libcfs.m4 b/libcfs/autoconf/lustre-libcfs.m4
index 3740297..c7199f5 100644 (file)
--- a/libcfs/autoconf/lustre-libcfs.m4
+++ b/libcfs/autoconf/lustre-libcfs.m4
@@ -279,6 +279,41 @@ ktime_get_ts64, [
 ]) # LIBCFS_KTIME_GET_TS64
 
 #
+# Kernel version 3.12 introduced ktime_add
+#
+AC_DEFUN([LIBCFS_KTIME_ADD],[
+LB_CHECK_COMPILE([does function 'ktime_add' exist],
+ktime_add, [
+       #include <linux/ktime.h>
+],[
+       ktime_t start = ktime_set(0, 0);
+       ktime_t end = start;
+       ktime_t total;
+
+       total = ktime_add(start, end);
+],[
+       AC_DEFINE(HAVE_KTIME_ADD, 1,
+               [ktime_add is available])
+])
+]) # LIBCFS_KTIME_ADD
+
+#
+# Kernel version 3.12 introduced ktime_after
+#
+AC_DEFUN([LIBCFS_KTIME_AFTER],[
+LB_CHECK_COMPILE([does function 'ktime_after' exist],
+ktime_after, [
+       #include <linux/ktime.h>
+],[
+       ktime_t start = ktime_set(0, 0);
+       ktime_t end = start;
+
+       ktime_after(start, end);
+],[
+       AC_DEFINE(HAVE_KTIME_AFTER, 1,
+               [ktime_after is available])
+])
+]) # LIBCFS_KTIME_AFTER
 
 #
 # FC19 3.12 kernel struct shrinker change
@@ -365,23 +400,41 @@ ktime_get_real_seconds, [
 ]) # LIBCFS_KTIME_GET_REAL_SECONDS
 
 #
-# Kernel version 3.17 created ktime_get_ns wrapper
+# Kernel version 3.17 created ktime_get_real_ns wrapper
 #
 AC_DEFUN([LIBCFS_KTIME_GET_REAL_NS],[
 LB_CHECK_COMPILE([does function 'ktime_get_real_ns' exist],
-ktime_get_ns, [
+ktime_get_real_ns, [
        #include <linux/ktime.h>
 ],[
        u64 nanoseconds;
 
        nanoseconds = ktime_get_real_ns();
-],[
-       AC_DEFINE(HAVE_KTIME_GET_REAL_NS, 1,
-               ['ktime_get_real_ns' is available])
+],[],[
+       AC_DEFINE(NEED_KTIME_GET_REAL_NS, 1,
+               ['ktime_get_real_ns' is not available])
 ])
 ]) # LIBCFS_KTIME_GET_REAL_NS
 
 #
+# Kernel version 3.17 introduced ktime_to_timespec64
+#
+AC_DEFUN([LIBCFS_KTIME_TO_TIMESPEC64],[
+LB_CHECK_COMPILE([does function 'ktime_to_timespec64' exist],
+ktime_to_timespec64, [
+       #include <linux/ktime.h>
+],[
+       struct timespec64 ts;
+       ktime_t now;
+
+       ts = ktime_to_timespec64(now);
+],[
+       AC_DEFINE(HAVE_KTIME_TO_TIMESPEC64, 1,
+               ['ktime_to_timespec64' is available])
+])
+]) # LIBCFS_KTIME_TO_TIMESPEC64
+
+#
 # Kernel version 3.19 introduced ktime_get_seconds
 #
 AC_DEFUN([LIBCFS_KTIME_GET_SECONDS],[
@@ -481,6 +534,27 @@ get_user_pages_6arg, [
 ]) # LIBCFS_GET_USER_PAGES_6ARG
 
 #
+# LIBCFS_STACKTRACE_OPS
+#
+# Kernel version 4.8 commit c8fe4609827aedc9c4b45de80e7cdc8ccfa8541b
+# removed both struct stacktrace_ops and dump_trace() function
+#
+AC_DEFUN([LIBCFS_STACKTRACE_OPS], [
+LB_CHECK_COMPILE([if 'struct stacktrace_ops' exists],
+stacktrace_ops, [
+       struct task_struct;
+       struct pt_regs;
+       #include <asm/stacktrace.h>
+],[
+       struct stacktrace_ops ops;
+       ops.stack = NULL;
+],[
+       AC_DEFINE(HAVE_STACKTRACE_OPS, 1,
+               [struct stacktrace_ops exists])
+])
+]) # LIBCFS_STACKTRACE_OPS
+
+#
 # LIBCFS_PROG_LINUX
 #
 # LibCFS linux kernel checks
@@ -516,6 +590,8 @@ LIBCFS_ENABLE_CRC32C_ACCEL
 # 3.11
 LIBCFS_KTIME_GET_TS64
 # 3.12
+LIBCFS_KTIME_ADD
+LIBCFS_KTIME_AFTER
 LIBCFS_SHRINKER_COUNT
 # 3.17
 LIBCFS_HLIST_ADD_AFTER
@@ -523,6 +599,7 @@ LIBCFS_TIMESPEC64
 LIBCFS_KTIME_GET_REAL_TS64
 LIBCFS_KTIME_GET_REAL_SECONDS
 LIBCFS_KTIME_GET_REAL_NS
+LIBCFS_KTIME_TO_TIMESPEC64
 # 3.19
 LIBCFS_KTIME_GET_SECONDS
 # 4.2
@@ -533,6 +610,8 @@ LIBCFS_CRYPTO_HASH_HELPERS
 # 4.6
 LIBCFS_STACKTRACE_OPS_ADDRESS_RETURN_INT
 LIBCFS_GET_USER_PAGES_6ARG
+# 4.8
+LIBCFS_STACKTRACE_OPS
 ]) # LIBCFS_PROG_LINUX
 
 #