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top: add '!' toggle for combined cpus display, program

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When implementing that earlier '4' toggle, in response
to the issue referenced below, I got to thinking about
those environments with massively parallel processors.

Such environments may not benefit from the '4' toggle.

So, I decided to implement a feature that could enable
use of those '1' and/or '4' toggles no matter how many
active processors top may have ultimately encountered.

With the new '!' toggle, adjacent cpus can be combined
to any degree, represented as a single cpu group/line.

Reference(s):
https://gitlab.com/procps-ng/procps/-/issues/172

Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner
2020-05-23 08:51:43 -05:00
committed by Craig Small
parent 6e5f2c8de6
commit 94d6db6b40
4 changed files with 168 additions and 106 deletions
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7
top/top.h
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@@ -356,6 +356,7 @@ typedef struct WIN_t {
char *findstr; // window's current/active search string
int findlen; // above's strlen, without call overhead
int double_up; // show individual cpus 2 abreast
int combine_cpus; // keep combining adjacent cpus
struct pids_stack **ppt; // this window's stacks ptr array
struct WIN_t *next, // next window in window stack
*prev; // prior window in window stack
@@ -668,10 +669,12 @@ typedef struct WIN_t {
//atic void keys_task (int ch);
//atic void keys_window (int ch);
//atic void keys_xtra (int ch);
/*------ Cpu Display Secondary Support (summary_show helpers) ----------*/
//atic inline int cpu_prt (const char *str, int nobuf);
//atic int cpu_tics (struct stat_stack *this, const char *pfx, int nobuf);
//atic int cpu_unify (struct stat_stack *this, int nobuf);
/*------ Main Screen routines ------------------------------------------*/
//atic void do_key (int ch);
//atic inline int sum_cpu (const char *str, int nobuf);
//atic int summary_hlp (struct stat_stack *this, const char *pfx, int nobuf);
//atic void summary_show (void);
//atic const char *task_show (const WIN_t *q, struct pids_stack *p);
//atic void window_hlp (void);