Implements dump-core command which is similar to xm dump-core except
that it requires an additional argument which is the target filename.
libxl.c | 7 +++++++
libxl.h | 2 ++
xl.h | 1 +
xl_cmdimpl.c | 18 ++++++++++++++++++
xl_cmdtable.c | 5 +++++
6 files changed, 35 insertions(+), 2 deletions(-)
Signed-off-by: Gianni Tedesco <gianni.tedesco@xxxxxxxxxx>
diff -r 12f0618400de tools/libxl/libxl.c
--- a/tools/libxl/libxl.c Fri Jul 16 13:54:44 2010 +0100
+++ b/tools/libxl/libxl.c Mon Jul 19 15:22:06 2010 +0100
@@ -523,6 +523,13 @@
return 0;
}
+int libxl_domain_core_dump(struct libxl_ctx *ctx, uint32_t domid, const char
*filename)
+{
+ if ( xc_domain_dumpcore(ctx->xch, domid, filename) )
+ return ERROR_FAIL;
+ return 0;
+}
+
int libxl_domain_unpause(struct libxl_ctx *ctx, uint32_t domid)
{
char *path;
diff -r 12f0618400de tools/libxl/libxl.h
--- a/tools/libxl/libxl.h Fri Jul 16 13:54:44 2010 +0100
+++ b/tools/libxl/libxl.h Mon Jul 19 15:22:06 2010 +0100
@@ -395,6 +395,8 @@
int libxl_domain_pause(struct libxl_ctx *ctx, uint32_t domid);
int libxl_domain_unpause(struct libxl_ctx *ctx, uint32_t domid);
+int libxl_domain_core_dump(struct libxl_ctx *ctx, uint32_t domid, const char
*filename);
+
int libxl_domain_setmaxmem(struct libxl_ctx *ctx, uint32_t domid, uint32_t
target_memkb);
int libxl_set_memory_target(struct libxl_ctx *ctx, uint32_t domid, uint32_t
target_memkb, int enforce);
diff -r 12f0618400de tools/libxl/xl.h
--- a/tools/libxl/xl.h Fri Jul 16 13:54:44 2010 +0100
+++ b/tools/libxl/xl.h Mon Jul 19 15:22:06 2010 +0100
@@ -37,6 +37,7 @@
int main_migrate_receive(int argc, char **argv);
int main_save(int argc, char **argv);
int main_migrate(int argc, char **argv);
+int main_dump_core(int argc, char **argv);
int main_pause(int argc, char **argv);
int main_unpause(int argc, char **argv);
int main_destroy(int argc, char **argv);
diff -r 12f0618400de tools/libxl/xl_cmdimpl.c
--- a/tools/libxl/xl_cmdimpl.c Fri Jul 16 13:54:44 2010 +0100
+++ b/tools/libxl/xl_cmdimpl.c Mon Jul 19 15:22:06 2010 +0100
@@ -2262,6 +2262,14 @@
exit(-ERROR_BADFAIL);
}
+static void core_dump_domain(const char *domain_spec, const char *filename)
+{
+ int rc;
+ find_domain(domain_spec);
+ rc=libxl_domain_core_dump(&ctx, domid, filename);
+ if (rc) { fprintf(stderr,"core dump failed (rc=%d)\n.",rc);exit(-1); }
+}
+
static void migrate_receive(int debug, int daemonize)
{
int rc, rc2;
@@ -2531,6 +2539,16 @@
exit(0);
}
+int main_dump_core(int argc, char **argv)
+{
+ if ( argc-optind < 2 ) {
+ help("dump-core");
+ exit(2);
+ }
+ core_dump_domain(argv[optind], argv[optind + 1]);
+ exit(0);
+}
+
int main_pause(int argc, char **argv)
{
int opt;
diff -r 12f0618400de tools/libxl/xl_cmdtable.c
--- a/tools/libxl/xl_cmdtable.c Fri Jul 16 13:54:44 2010 +0100
+++ b/tools/libxl/xl_cmdtable.c Mon Jul 19 15:22:06 2010 +0100
@@ -102,6 +102,11 @@
"-e Do not wait in the background (on <host>) for the
death\n"
" of the domain."
},
+ { "dump-core",
+ &main_dump_core,
+ "Core dump a domain",
+ "<Domain> <filename>"
+ },
{ "restore",
&main_restore,
"Restore a domain from a saved state",
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