/** * Benchmark macro for transportation of fake data blocks through an HLT * hierarchy. * * Usage: * <pre> * aliroot -b -q bench-hlt-hierarchy.C | tee bench-hlt-hierarchy.log * </pre> * Options: * <pre> * aliroot -b -q bench-hlt-hierarchy.C'(2, "root raw")' * </pre> * First argument allows to specifiy the number of events, the second one * is a string defining the output, "root" for a statistics in a root file * and "raw" for just the raw data block. Can be combined. Default is "root". * * @ingroup alihlt_benchmark * @author [email protected] */ void bench_hlt_hierarchy(int events=100, const char* option="root") { TString options=option; AliHLTSystem gHLT(0x7c); gHLT.LoadComponentLibraries("libAliHLTUtil.so"); /////////////////////////////////////////////////////////////////////////////////////////////////// // // define the analysis chain to be run // const int iNofLevel0=6; const int iNofLevel1=18; const int iNofLevel2=2; TString level3Input; TString arg, component; for (int level2=0; level2<iNofLevel2; level2++) { TString level2Input; for (int level1=0; level1<iNofLevel1; level1++) { TString level1Input; for (int level0=0; level0<iNofLevel0; level0++) { // level0 publisher component arg.Form("-datatype DUMMYDAT FAKE -size 10000 -range 1000 -modulo 10 -decrement 1000"); component.Form("L0_%d_%02d_%d", level2, level1, level0); AliHLTConfiguration l0conf(component.Data(), "DataGenerator", NULL , arg.Data()); if (level1Input.Length()>0) level1Input+=" "; level1Input+=component; } // level 1 components arg.Form("-datatype DUMMYDAT FAKE -multiplier 0.2"); component.Form("L1_%d_%02d", level2, level1); AliHLTConfiguration l1conf(component.Data(), "DataGenerator", level1Input.Data(), arg.Data()); if (level2Input.Length()>0) level2Input+=" "; level2Input+=component; } // level 2 components arg.Form("-datatype DUMMYDAT FAKE -multiplier 1.0"); component.Form("L2_%d", level2); AliHLTConfiguration l2conf(component.Data(),"DataGenerator",level2Input.Data(), arg.Data()); if (level3Input.Length()>0) level3Input+=" "; level3Input+=component; } arg.Form("-datatype DUMMYDAT FAKE -multiplier 1.0"); AliHLTConfiguration l3conf("L3","DataGenerator",level3Input.Data(),arg.Data()); AliHLTConfiguration statroot("statroot", "StatisticsCollector" , "L3", "-file HLT.statistics.root -publish 0"); AliHLTConfiguration statraw("statraw", "FileWriter" , "L3", "-datafile HLT.statistics.raw -concatenate-events -concatenate-blocks -datatype COMPSTAT PRIV"); if (options.Contains("root")) gHLT.BuildTaskList("statroot"); if (options.Contains("raw")) gHLT.BuildTaskList("statraw"); gHLT.Run(events); }
int stat(const char *path, FAR struct stat *buf)
{
FAR struct inode *inode;
const char *relpath = NULL;
int ret = OK;
/* Sanity checks */
if (!path || !buf)
{
ret = EFAULT;
goto errout;
}
if (!path[0])
{
ret = ENOENT;
goto errout;
}
/* Check for the fake root directory (which has no inode) */
if (strcmp(path, "/") == 0)
{
return statroot(buf);
}
/* Get an inode for this file */
inode = inode_find(path, &relpath);
if (!inode)
{
/* This name does not refer to a psudeo-inode and there is no
* mountpoint that includes in this path.
*/
ret = ENOENT;
goto errout;
}
/* The way we handle the stat depends on the type of inode that we
* are dealing with.
*/
#ifndef CONFIG_DISABLE_MOUNTPOINT
if (INODE_IS_MOUNTPT(inode))
{
/* The node is a file system mointpoint. Verify that the mountpoint
* supports the stat() method
*/
if (inode->u.i_mops && inode->u.i_mops->stat)
{
/* Perform the stat() operation */
ret = inode->u.i_mops->stat(inode, relpath, buf);
}
}
else
#endif
{
/* The node is part of the root pseudo file system */
ret = statpseudo(inode, buf);
}
/* Check if the stat operation was successful */
if (ret < 0)
{
ret = -ret;
goto errout_with_inode;
}
/* Successfully stat'ed the file */
inode_release(inode);
return OK;
/* Failure conditions always set the errno appropriately */
errout_with_inode:
inode_release(inode);
errout:
set_errno(ret);
return ERROR;
}
