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Fix rocminfo when run within docker environments. #48

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iotamudelta wants to merge 3 commits into from
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Fix rocminfo when run within docker environments. #48

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fa6e269
Fix rocminfo when run within docker environments.
iotamudelta Nov 8, 2021
d78e31c
Fix whitespace
iotamudelta Nov 8, 2021
27d7bfc
Catch one more case
iotamudelta Nov 8, 2021
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23 changes: 22 additions & 1 deletion rocminfo.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,7 @@
#include <unistd.h>
#include <pwd.h>

#include <fstream>
#include <vector>
#include <string>
#include <sstream>
Expand Down Expand Up @@ -1040,7 +1041,27 @@ int CheckInitialState(void) {
if (fread (buf, 1, sizeof (buf), fd) <= 0) {
printf("%sROCk module is NOT loaded, possibly no GPU devices%s\n",
COL_RED, COL_RESET);
return -1;
// Check if rocminfo is executed within a docker environment (where this is OK)
std::ifstream cgroups( "/proc/self/cgroup" );
if (cgroups) {
std::stringstream buffer;
buffer << cgroups.rdbuf();
cgroups.close();

std::string line;
bool docker_env = false;
while ( std::getline(buffer, line) ) {
if ( line.find( "docker" )) {
docker_env = true;
printf("Docker environment detected - missing ROCk module expected.\n");
break;
}
}
if ( !docker_env ) return -1;
} else {
// this is certainly weird - error
return -1;
}
} else {
printf("%sROCk module is loaded%s\n", COL_WHT, COL_RESET);
}
Expand Down