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patch for mpi-pr too many open files https://github.com/GlobalArrays/ga/pull/310

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edoapra 2023-07-12 19:22:08 -07:00
parent 3f625ab857
commit f3d10494a3
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2 changed files with 50 additions and 0 deletions
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1
src/tools/get-tools-github
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@ -204,6 +204,7 @@ if [[ -d "ga-5.8.2" ]]; then
if [[ ! -f "ga-5.8.2/patched581" ]]; then
./gamalloc_patch.sh $GA_DIR
./peigstubs_patch.sh $GA_DIR
./mpipr-too-many_patch.sh $GA_DIR
echo patched
touch ga-5.8.2/patched581
fi

49
src/tools/mpipr-too-many_patch.sh Executable file
View file

@ -0,0 +1,49 @@
#!/usr/bin/env bash
rm -f mpipr-too-many.patch
cat > mpipr-too-many.patch <<EOF
--- $1/comex/src-mpi-pr/comex.c.org 2023-07-12 19:10:15.711084258 -0700
+++ $1/comex/src-mpi-pr/comex.c 2023-07-12 19:10:21.851117110 -0700
@@ -358,6 +358,7 @@
static int devshm_initialized = 0;
static long devshm_fs_left = 0;
static long devshm_fs_initial = 0;
+STATIC void count_open_fds(void);
int comex_init()
{
@@ -7215,6 +7216,7 @@
g_state.rank, g_state.node_size, devshm_fs_initial/CONVERT_TO_M, (long) ufs_statfs.f_bsize, (long) g_state.node_size);
#endif
}
+ count_open_fds();
// if (size > 0) {
newspace = (long) ( size*(g_state.node_size -1));
// }else{
@@ -7248,3 +7250,24 @@
#endif
#endif
}
+
+STATIC void count_open_fds(void) {
+ FILE *f = fopen("/proc/sys/fs/file-nr", "r");
+
+ long nfiles, unused, maxfiles;
+ fscanf(f, "%ld %ld %ld", &nfiles, &unused, &maxfiles);
+#ifdef DEBUGSHM
+ if(nfiles % 1000 == 0) fprintf(stderr," %d: no. open files = %ld maxfiles = %ld\n", g_state.rank, nfiles, maxfiles);
+#endif
+ long mylimit = (maxfiles/100)*60;
+ if(nfiles > (maxfiles/100)*60) {
+ printf(" %d: running out of files; files = %ld maxfiles = %ld\n", g_state.rank, nfiles, maxfiles);
+#if PAUSE_ON_ERROR
+ fprintf(stderr,"%d(%d): too many open files\n",
+ g_state.rank, getpid());
+ pause();
+#endif
+ comex_error("count_open_fds: too many open files", -1);
+ }
+ fclose(f);
+}
EOF
patch -p0 -s -N < mpipr-too-many.patch
echo mpipr-too-many.patch applied