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Commits : Listings

Analyzed 4 months ago. based on code collected 4 months ago.
Jul 20, 2025 — Jul 20, 2026
Commit Message Contributor Files Modified Lines Added Lines Removed Code Location Date
Commented read_virgo_config() as read_virgo_clone_config() has been implemented and would set the exported symbols when kernel boots up
ka_shrinivaasan
More... over 13 years ago
Updated Virgo Design Document
ka_shrinivaasan
More... over 13 years ago
Major rewrite of read_virgo_config() with VFS calls for reading virgo_cloud.conf and a new multipurpose tokenizer function tokenize_list_of_ip_addrs() for tokenizing virgo_cloud.conf comma separated list and assigning it to node_ip_addrs_in_cloud[] array.
ka_shrinivaasan
More... over 13 years ago
type declarations for read_virgo_config() and tokenizer function
ka_shrinivaasan
More... over 13 years ago
read_virgo_Config() rewritten with VFS calls
ka_shrinivaasan
More... over 13 years ago
updated Virgo Design doc
ka_shrinivaasan
More... over 13 years ago
Tested latest virgo_clone and virgo_cloudexec with test_virgo_clone. Again noticed something weird: - On 11 and 12 July 2013, network was and is horribly slow(and my laptop was apparently hacked on 11 July 2013 - password login didn't work which took hours to rectify) - Virgo cloudexec modules_install which used to install automatically to /lib/modules/'uname -r'/extra, didn't work and I had to manually copy to /lib/modules (causing old binary to load as in test_virgo_clone latest output committed under virgo_clone/test) - Something periodically disturbs this net connection and machine (needs to be investigated for cybercrime)
ka_shrinivaasan
More... over 13 years ago
Commented the range mapping for PRG host id. Instead added simpler modulus computation to get the host id.
ka_shrinivaasan
More... over 13 years ago
More printk(s) added and also Pseudorandom number range mapping computation changed
ka_shrinivaasan
More... over 13 years ago
Updated Virgo Design Doc
ka_shrinivaasan
More... over 13 years ago
Separate virgo_Config.h header file for extern declarations added due to multiple defintion errors during kernel build
ka_shrinivaasan
More... over 13 years ago
#ifndef added
ka_shrinivaasan
More... over 13 years ago
PRG loadbalancer testing - kern.log messages printing the ip addresses (read_virgo_config())
ka_shrinivaasan
More... over 13 years ago
#included virgo_config.h for cloud data declaration
ka_shrinivaasan
More... over 13 years ago
Modified VIRGO kernel service: - read_virgo_config() updates - virgo_config.h included (created for extern declarations of cloud datastructures) - hardcoded cloud datastructures get printed and are exported correctly (added commented code for kallsyms_lookup if needed)
ka_shrinivaasan
More... over 13 years ago
Added utility function read_virgo_config() for testing file IO in virgo module Also added extern declarations for exported cloud initialization symbols. Still there is a symbol not found error while executing the module. Probably might require kallsyms lookup (ongoing bugfix)
ka_shrinivaasan
More... over 13 years ago
Commented do_virgo_cloud_init() and hardcoded the ip addresses in exported symbols for loadbalancer prototype testing
ka_shrinivaasan
More... over 13 years ago
Rewrote (rather ReRewrote) the VFS file read code: -obtained segment descriptor and replaced file ops read with vfs_read() and reset the descriptor after read. -File next to read position computation -initialized the node_ip_addrs_in_cloud with empty string -commented a printk due to Kernel Panic within it -Ideally this should be rewritten with sysfs (as per Greg Kroah Hartman's "Things not to do in Kernel"),but for timebeing VFS code suffices for a prototypical testing of Loadbalancer(especially PRG loadbalancer)
ka_shrinivaasan
More... over 13 years ago
- All compilation errors fixed - do_virgo_cloud_init() rewritten with VFS file I/O calls (filp_open(), file_ops read() etc.,) to read the virgo_cloud.conf config file - EXPORT_SYMBOL declared for VIRGO cloud related datastructures so as to access them globally (especially from from virgo_clone.c syscall)
ka_shrinivaasan
More... over 13 years ago
- All compilation errors fixed - extern declaration for virgo cloud related data structures
ka_shrinivaasan
More... over 13 years ago
Added more automation to build script: -Module.symvers and .config copying from previous build -cleaning up old build residues -update-initramfs for loading the modules after build is over
ka_shrinivaasan
More... over 13 years ago
Compilation error fixed
ka_shrinivaasan
More... over 13 years ago
Compilation error fixed
ka_shrinivaasan
More... over 13 years ago
Initial prototypical implementation of Pseudorandom generator based Loadbalancer for virgo_clone() parallelization using get_random_int() done. More code to be added and testing yet to be done.
ka_shrinivaasan
More... over 13 years ago
Pseudorandom generator based loadbalancer for VIRGO clone and cloudexec service (experimental): Script to calculate the expected number of requests per each node
ka_shrinivaasan
More... over 13 years ago
Updated Virgo Doc with loadbalancing options
ka_shrinivaasan
More... over 13 years ago
Updated VIRGO doc with Loadbalancer design spec and alternatives
ka_shrinivaasan
More... over 13 years ago
VIRGO design doc updated
ka_shrinivaasan
More... over 13 years ago
Probable Linux Kernel 3.7.8 kernel_accept() blocking-nonblocking bug (or at some layer below the stack)
ka_shrinivaasan
More... over 13 years ago
test_virgo_clone and telnet usecases output after wake_up_process() fix
ka_shrinivaasan
More... over 13 years ago