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authorKent Sebastian <ksebasti@redhat.com>2009-07-31 14:45:10 -0400
committerKent Sebastian <ksebasti@redhat.com>2009-07-31 14:45:10 -0400
commitce91eebdf6c262a0235bdd2d3ad3acd0805bf02a (patch)
tree7ca9eef90de8b29a1a977530d623ec7240740db5 /cache.cxx
parentf1312b2c2bc1ec7b0475a251f27a2f75779f4ccb (diff)
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PR10204: Place userspace markers in systemtap itself
* cache.cxx (add_to_cache,clean_cache): add static markers * main.cxx (main): likewise * runtime/staprun/common.c (send_request): likewise * runtime/staprun/mainloop.c (stp_main_loop): likewise * runtime/staprun/staprun.c (remove_module): likewise * runtime/staprun/staprun.h: include sdt.h * runtime/staprun/staprun_funcs.c (insert_module): likewise * util.cxx (stap_system): likewise * tapset/stap_staticmarkers.stp: new file
Diffstat (limited to 'cache.cxx')
-rw-r--r--cache.cxx8
1 files changed, 8 insertions, 0 deletions
diff --git a/cache.cxx b/cache.cxx
index bfe2b527..99b88000 100644
--- a/cache.cxx
+++ b/cache.cxx
@@ -10,6 +10,7 @@
#include "session.h"
#include "cache.h"
#include "util.h"
+#include "sys/sdt.h"
#include <cerrno>
#include <string>
#include <fstream>
@@ -59,6 +60,7 @@ add_to_cache(systemtap_session& s)
}
string module_src_path = s.tmpdir + "/" + s.module_name + ".ko";
+ STAP_PROBE2(stap, cache__add__module, module_src_path.c_str(), s.hash_path.c_str());
if (s.verbose > 1)
clog << "Copying " << module_src_path << " to " << s.hash_path << endl;
if (copy_file(module_src_path.c_str(), s.hash_path.c_str()) != 0)
@@ -79,6 +81,8 @@ add_to_cache(systemtap_session& s)
string module_signature_src_path = module_src_path;
module_signature_src_path += ".sgn";
+ STAP_PROBE2(stap, cache__add__nss, module_signature_src_path.c_str(), module_signature_dest_path.c_str());
+
if (s.verbose > 1)
clog << "Copying " << module_signature_src_path << " to " << module_signature_dest_path << endl;
if (copy_file(module_signature_src_path.c_str(), module_signature_dest_path.c_str()) != 0)
@@ -97,6 +101,7 @@ add_to_cache(systemtap_session& s)
c_dest_path.resize(c_dest_path.size() - 3);
c_dest_path += ".c";
+ STAP_PROBE2(stap, cache__add__source, s.translated_source.c_str(), c_dest_path.c_str());
if (s.verbose > 1)
clog << "Copying " << s.translated_source << " to " << c_dest_path
<< endl;
@@ -241,6 +246,8 @@ get_from_cache(systemtap_session& s)
clog << "Pass 4: using cached " << s.hash_path << endl;
}
+ STAP_PROBE2(stap, cache__get, c_src_path.c_str(), s.hash_path.c_str());
+
return true;
}
@@ -341,6 +348,7 @@ clean_cache(systemtap_session& s)
if ( (r_cache_size / 1024 / 1024) < cache_mb_max) //convert r_cache_size to MiB
break;
+ STAP_PROBE1(stap, cache__clean, (i->path).c_str());
//remove this (*i) cache_entry, add to removed list
i->unlink();
r_cache_size -= i->size;